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authorTim Blechmann <tim@klingt.org>2009-03-24 07:24:35 -0400
committerTakashi Iwai <tiwai@suse.de>2009-04-14 06:01:46 -0400
commit02bec490450836ebbd628e97ec03f10b57def8ce (patch)
treecd276c822afc81613f166b7b2e19e1ec0ab12e14
parent577c9c456f0e1371cbade38eaf91ae8e8a308555 (diff)
ALSA: lx6464es - driver for the digigram lx6464es interface
prototype of a driver for the digigram lx6464es 64 channel ethersound interface. Signed-off-by: Tim Blechmann <tim@klingt.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat
-rw-r--r--include/linux/pci_ids.h5
-rw-r--r--sound/pci/Kconfig10
-rw-r--r--sound/pci/Makefile1
-rw-r--r--sound/pci/lx6464es/Makefile2
-rw-r--r--sound/pci/lx6464es/lx6464es.c1152
-rw-r--r--sound/pci/lx6464es/lx6464es.h114
-rw-r--r--sound/pci/lx6464es/lx_core.c1442
-rw-r--r--sound/pci/lx6464es/lx_core.h242
-rw-r--r--sound/pci/lx6464es/lx_defs.h376
9 files changed, 3344 insertions, 0 deletions
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index ee98cd570885..2b1a69598e74 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1005,6 +1005,7 @@
1005#define PCI_DEVICE_ID_PLX_PCI200SYN 0x3196 1005#define PCI_DEVICE_ID_PLX_PCI200SYN 0x3196
1006#define PCI_DEVICE_ID_PLX_9030 0x9030 1006#define PCI_DEVICE_ID_PLX_9030 0x9030
1007#define PCI_DEVICE_ID_PLX_9050 0x9050 1007#define PCI_DEVICE_ID_PLX_9050 0x9050
1008#define PCI_DEVICE_ID_PLX_9056 0x9056
1008#define PCI_DEVICE_ID_PLX_9080 0x9080 1009#define PCI_DEVICE_ID_PLX_9080 0x9080
1009#define PCI_DEVICE_ID_PLX_GTEK_SERIAL2 0xa001 1010#define PCI_DEVICE_ID_PLX_GTEK_SERIAL2 0xa001
1010 1011
@@ -1847,6 +1848,10 @@
1847#define PCI_SUBDEVICE_ID_HYPERCOPE_METRO 0x0107 1848#define PCI_SUBDEVICE_ID_HYPERCOPE_METRO 0x0107
1848#define PCI_SUBDEVICE_ID_HYPERCOPE_CHAMP2 0x0108 1849#define PCI_SUBDEVICE_ID_HYPERCOPE_CHAMP2 0x0108
1849 1850
1851#define PCI_VENDOR_ID_DIGIGRAM 0x1369
1852#define PCI_SUBDEVICE_ID_DIGIGRAM_LX6464ES_SERIAL_SUBSYSTEM 0xc001
1853#define PCI_SUBDEVICE_ID_DIGIGRAM_LX6464ES_CAE_SERIAL_SUBSYSTEM 0xc002
1854
1850#define PCI_VENDOR_ID_KAWASAKI 0x136b 1855#define PCI_VENDOR_ID_KAWASAKI 0x136b
1851#define PCI_DEVICE_ID_MCHIP_KL5A72002 0xff01 1856#define PCI_DEVICE_ID_MCHIP_KL5A72002 0xff01
1852 1857
diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig
index 93422e3a3f0c..e912b70b6f9c 100644
--- a/sound/pci/Kconfig
+++ b/sound/pci/Kconfig
@@ -622,6 +622,16 @@ config SND_KORG1212
622 To compile this driver as a module, choose M here: the module 622 To compile this driver as a module, choose M here: the module
623 will be called snd-korg1212. 623 will be called snd-korg1212.
624 624
625config SND_LX6464ES
626 tristate "Digigram LX6464ES"
627 select SND_PCM
628 help
629 Say Y here to include support for Digigram LX6464ES boards.
630
631 To compile this driver as a module, choose M here: the module
632 will be called snd-lx6464es.
633
634
625config SND_MAESTRO3 635config SND_MAESTRO3
626 tristate "ESS Allegro/Maestro3" 636 tristate "ESS Allegro/Maestro3"
627 select SND_AC97_CODEC 637 select SND_AC97_CODEC
diff --git a/sound/pci/Makefile b/sound/pci/Makefile
index 65b25d221cd2..7d83e084dcf4 100644
--- a/sound/pci/Makefile
+++ b/sound/pci/Makefile
@@ -62,6 +62,7 @@ obj-$(CONFIG_SND) += \
62 ca0106/ \ 62 ca0106/ \
63 cs46xx/ \ 63 cs46xx/ \
64 cs5535audio/ \ 64 cs5535audio/ \
65 lx6464es/ \
65 echoaudio/ \ 66 echoaudio/ \
66 emu10k1/ \ 67 emu10k1/ \
67 hda/ \ 68 hda/ \
diff --git a/sound/pci/lx6464es/Makefile b/sound/pci/lx6464es/Makefile
new file mode 100644
index 000000000000..eb04a6c73d8b
--- /dev/null
+++ b/sound/pci/lx6464es/Makefile
@@ -0,0 +1,2 @@
1snd-lx6464es-objs := lx6464es.o lx_core.o
2obj-$(CONFIG_SND_LX6464ES) += snd-lx6464es.o
diff --git a/sound/pci/lx6464es/lx6464es.c b/sound/pci/lx6464es/lx6464es.c
new file mode 100644
index 000000000000..7bc8b8caa992
--- /dev/null
+++ b/sound/pci/lx6464es/lx6464es.c
@@ -0,0 +1,1152 @@
1/* -*- linux-c -*- *
2 *
3 * ALSA driver for the digigram lx6464es interface
4 *
5 * Copyright (c) 2008, 2009 Tim Blechmann <tim@klingt.org>
6 *
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; see the file COPYING. If not, write to
20 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 * Boston, MA 02111-1307, USA.
22 *
23 */
24
25#include <linux/module.h>
26#include <linux/init.h>
27#include <linux/pci.h>
28#include <linux/delay.h>
29
30#include <sound/initval.h>
31#include <sound/control.h>
32#include <sound/info.h>
33
34#include "lx6464es.h"
35
36MODULE_AUTHOR("Tim Blechmann");
37MODULE_LICENSE("GPL");
38MODULE_DESCRIPTION("digigram lx6464es");
39MODULE_SUPPORTED_DEVICE("{digigram lx6464es{}}");
40
41
42static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
43static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
44static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
45
46static const char card_name[] = "LX6464ES";
47
48
49#define PCI_DEVICE_ID_PLX_LX6464ES PCI_DEVICE_ID_PLX_9056
50
51static struct pci_device_id snd_lx6464es_ids[] = {
52 { PCI_DEVICE(PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_LX6464ES),
53 .subvendor = PCI_VENDOR_ID_DIGIGRAM,
54 .subdevice = PCI_SUBDEVICE_ID_DIGIGRAM_LX6464ES_SERIAL_SUBSYSTEM
55 }, /* LX6464ES */
56 { PCI_DEVICE(PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_LX6464ES),
57 .subvendor = PCI_VENDOR_ID_DIGIGRAM,
58 .subdevice = PCI_SUBDEVICE_ID_DIGIGRAM_LX6464ES_CAE_SERIAL_SUBSYSTEM
59 }, /* LX6464ES-CAE */
60 { 0, },
61};
62
63MODULE_DEVICE_TABLE(pci, snd_lx6464es_ids);
64
65
66
67/* PGO pour USERo dans le registre pci_0x06/loc_0xEC */
68#define CHIPSC_RESET_XILINX (1L<<16)
69
70
71/* alsa callbacks */
72static struct snd_pcm_hardware lx_caps = {
73 .info = (SNDRV_PCM_INFO_MMAP |
74 SNDRV_PCM_INFO_INTERLEAVED |
75 SNDRV_PCM_INFO_MMAP_VALID |
76 SNDRV_PCM_INFO_SYNC_START),
77 .formats = (SNDRV_PCM_FMTBIT_S16_LE |
78 SNDRV_PCM_FMTBIT_S16_BE |
79 SNDRV_PCM_FMTBIT_S24_3LE |
80 SNDRV_PCM_FMTBIT_S24_3BE),
81 .rates = (SNDRV_PCM_RATE_CONTINUOUS |
82 SNDRV_PCM_RATE_8000_192000),
83 .rate_min = 8000,
84 .rate_max = 192000,
85 .channels_min = 2,
86 .channels_max = 64,
87 .buffer_bytes_max = 64*2*3*MICROBLAZE_IBL_MAX*MAX_STREAM_BUFFER,
88 .period_bytes_min = (2*2*MICROBLAZE_IBL_MIN*2),
89 .period_bytes_max = (4*64*MICROBLAZE_IBL_MAX*MAX_STREAM_BUFFER),
90 .periods_min = 2,
91 .periods_max = MAX_STREAM_BUFFER,
92};
93
94static int lx_set_granularity(struct lx6464es *chip, u32 gran);
95
96
97static int lx_hardware_open(struct lx6464es *chip,
98 struct snd_pcm_substream *substream)
99{
100 int err = 0;
101 struct snd_pcm_runtime *runtime = substream->runtime;
102 int channels = runtime->channels;
103 int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE);
104
105 snd_pcm_uframes_t period_size = runtime->period_size;
106
107 snd_printd(LXP "allocating pipe for %d channels\n", channels);
108 err = lx_pipe_allocate(chip, 0, is_capture, channels);
109 if (err < 0) {
110 snd_printk(KERN_ERR LXP "allocating pipe failed\n");
111 return err;
112 }
113
114 err = lx_set_granularity(chip, period_size);
115 if (err < 0) {
116 snd_printk(KERN_ERR LXP "setting granularity to %ld failed\n",
117 period_size);
118 return err;
119 }
120
121 return 0;
122}
123
124static int lx_hardware_start(struct lx6464es *chip,
125 struct snd_pcm_substream *substream)
126{
127 int err = 0;
128 struct snd_pcm_runtime *runtime = substream->runtime;
129 int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE);
130
131 snd_printd(LXP "setting stream format\n");
132 err = lx_stream_set_format(chip, runtime, 0, is_capture);
133 if (err < 0) {
134 snd_printk(KERN_ERR LXP "setting stream format failed\n");
135 return err;
136 }
137
138 snd_printd(LXP "starting pipe\n");
139 err = lx_pipe_start(chip, 0, is_capture);
140 if (err < 0) {
141 snd_printk(KERN_ERR LXP "starting pipe failed\n");
142 return err;
143 }
144
145 snd_printd(LXP "waiting for pipe to start\n");
146 err = lx_pipe_wait_for_start(chip, 0, is_capture);
147 if (err < 0) {
148 snd_printk(KERN_ERR LXP "waiting for pipe failed\n");
149 return err;
150 }
151
152 return err;
153}
154
155
156static int lx_hardware_stop(struct lx6464es *chip,
157 struct snd_pcm_substream *substream)
158{
159 int err = 0;
160 int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE);
161
162 snd_printd(LXP "pausing pipe\n");
163 err = lx_pipe_pause(chip, 0, is_capture);
164 if (err < 0) {
165 snd_printk(KERN_ERR LXP "pausing pipe failed\n");
166 return err;
167 }
168
169 snd_printd(LXP "waiting for pipe to become idle\n");
170 err = lx_pipe_wait_for_idle(chip, 0, is_capture);
171 if (err < 0) {
172 snd_printk(KERN_ERR LXP "waiting for pipe failed\n");
173 return err;
174 }
175
176 snd_printd(LXP "stopping pipe\n");
177 err = lx_pipe_stop(chip, 0, is_capture);
178 if (err < 0) {
179 snd_printk(LXP "stopping pipe failed\n");
180 return err;
181 }
182
183 return err;
184}
185
186
187static int lx_hardware_close(struct lx6464es *chip,
188 struct snd_pcm_substream *substream)
189{
190 int err = 0;
191 int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE);
192
193 snd_printd(LXP "releasing pipe\n");
194 err = lx_pipe_release(chip, 0, is_capture);
195 if (err < 0) {
196 snd_printk(LXP "releasing pipe failed\n");
197 return err;
198 }
199
200 return err;
201}
202
203
204static int lx_pcm_open(struct snd_pcm_substream *substream)
205{
206 struct lx6464es *chip = snd_pcm_substream_chip(substream);
207 struct snd_pcm_runtime *runtime = substream->runtime;
208 int err = 0;
209 int board_rate;
210
211 snd_printdd("->lx_pcm_open\n");
212 mutex_lock(&chip->setup_mutex);
213
214 /* copy the struct snd_pcm_hardware struct */
215 runtime->hw = lx_caps;
216
217#if 0
218 /* buffer-size should better be multiple of period-size */
219 err = snd_pcm_hw_constraint_integer(runtime,
220 SNDRV_PCM_HW_PARAM_PERIODS);
221 if (err < 0) {
222 snd_printk(KERN_WARNING LXP "could not constrain periods\n");
223 goto exit;
224 }
225#endif
226
227 /* the clock rate cannot be changed */
228 board_rate = chip->board_sample_rate;
229 err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_RATE,
230 board_rate, board_rate);
231
232 if (err < 0) {
233 snd_printk(KERN_WARNING LXP "could not constrain periods\n");
234 goto exit;
235 }
236
237 /* constrain period size */
238 err = snd_pcm_hw_constraint_minmax(runtime,
239 SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
240 MICROBLAZE_IBL_MIN,
241 MICROBLAZE_IBL_MAX);
242 if (err < 0) {
243 snd_printk(KERN_WARNING LXP
244 "could not constrain period size\n");
245 goto exit;
246 }
247
248 snd_pcm_hw_constraint_step(runtime, 0,
249 SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 32);
250
251 snd_pcm_set_sync(substream);
252 err = 0;
253
254exit:
255 runtime->private_data = chip;
256
257 mutex_unlock(&chip->setup_mutex);
258 snd_printdd("<-lx_pcm_open, %d\n", err);
259 return err;
260}
261
262static int lx_pcm_close(struct snd_pcm_substream *substream)
263{
264 int err = 0;
265 snd_printdd("->lx_pcm_close\n");
266 return err;
267}
268
269static snd_pcm_uframes_t lx_pcm_stream_pointer(struct snd_pcm_substream
270 *substream)
271{
272 struct lx6464es *chip = snd_pcm_substream_chip(substream);
273 snd_pcm_uframes_t pos;
274 unsigned long flags;
275 int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE);
276
277 struct lx_stream *lx_stream = is_capture ? &chip->capture_stream :
278 &chip->playback_stream;
279
280 snd_printdd("->lx_pcm_stream_pointer\n");
281
282 spin_lock_irqsave(&chip->lock, flags);
283 pos = lx_stream->frame_pos * substream->runtime->period_size;
284 spin_unlock_irqrestore(&chip->lock, flags);
285
286 snd_printdd(LXP "stream_pointer at %ld\n", pos);
287 return pos;
288}
289
290static int lx_pcm_prepare(struct snd_pcm_substream *substream)
291{
292 struct lx6464es *chip = snd_pcm_substream_chip(substream);
293 int err = 0;
294 const int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE);
295
296 snd_printdd("->lx_pcm_prepare\n");
297
298 mutex_lock(&chip->setup_mutex);
299
300 if (chip->hardware_running[is_capture]) {
301 err = lx_hardware_stop(chip, substream);
302 if (err < 0) {
303 snd_printk(KERN_ERR LXP "failed to stop hardware. "
304 "Error code %d\n", err);
305 goto exit;
306 }
307
308 err = lx_hardware_close(chip, substream);
309 if (err < 0) {
310 snd_printk(KERN_ERR LXP "failed to close hardware. "
311 "Error code %d\n", err);
312 goto exit;
313 }
314 }
315
316 snd_printd(LXP "opening hardware\n");
317 err = lx_hardware_open(chip, substream);
318 if (err < 0) {
319 snd_printk(KERN_ERR LXP "failed to open hardware. "
320 "Error code %d\n", err);
321 goto exit;
322 }
323
324 err = lx_hardware_start(chip, substream);
325 if (err < 0) {
326 snd_printk(KERN_ERR LXP "failed to start hardware. "
327 "Error code %d\n", err);
328 goto exit;
329 }
330
331 chip->hardware_running[is_capture] = 1;
332
333 if (chip->board_sample_rate != substream->runtime->rate) {
334 if (!err)
335 chip->board_sample_rate = substream->runtime->rate;
336 }
337
338exit:
339 mutex_unlock(&chip->setup_mutex);
340 return err;
341}
342
343static int lx_pcm_hw_params(struct snd_pcm_substream *substream,
344 struct snd_pcm_hw_params *hw_params, int is_capture)
345{
346 struct lx6464es *chip = snd_pcm_substream_chip(substream);
347 int err = 0;
348
349 snd_printdd("->lx_pcm_hw_params\n");
350
351 mutex_lock(&chip->setup_mutex);
352
353 /* set dma buffer */
354 err = snd_pcm_lib_malloc_pages(substream,
355 params_buffer_bytes(hw_params));
356
357 if (is_capture)
358 chip->capture_stream.stream = substream;
359 else
360 chip->playback_stream.stream = substream;
361
362 mutex_unlock(&chip->setup_mutex);
363 return err;
364}
365
366static int lx_pcm_hw_params_playback(struct snd_pcm_substream *substream,
367 struct snd_pcm_hw_params *hw_params)
368{
369 return lx_pcm_hw_params(substream, hw_params, 0);
370}
371
372static int lx_pcm_hw_params_capture(struct snd_pcm_substream *substream,
373 struct snd_pcm_hw_params *hw_params)
374{
375 return lx_pcm_hw_params(substream, hw_params, 1);
376}
377
378static int lx_pcm_hw_free(struct snd_pcm_substream *substream)
379{
380 struct lx6464es *chip = snd_pcm_substream_chip(substream);
381 int err = 0;
382 int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE);
383
384 snd_printdd("->lx_pcm_hw_free\n");
385 mutex_lock(&chip->setup_mutex);
386
387 if (chip->hardware_running[is_capture]) {
388 err = lx_hardware_stop(chip, substream);
389 if (err < 0) {
390 snd_printk(KERN_ERR LXP "failed to stop hardware. "
391 "Error code %d\n", err);
392 goto exit;
393 }
394
395 err = lx_hardware_close(chip, substream);
396 if (err < 0) {
397 snd_printk(KERN_ERR LXP "failed to close hardware. "
398 "Error code %d\n", err);
399 goto exit;
400 }
401
402 chip->hardware_running[is_capture] = 0;
403 }
404
405 err = snd_pcm_lib_free_pages(substream);
406
407 if (is_capture)
408 chip->capture_stream.stream = 0;
409 else
410 chip->playback_stream.stream = 0;
411
412exit:
413 mutex_unlock(&chip->setup_mutex);
414 return err;
415}
416
417static void lx_trigger_start(struct lx6464es *chip, struct lx_stream *lx_stream)
418{
419 struct snd_pcm_substream *substream = lx_stream->stream;
420 const int is_capture = lx_stream->is_capture;
421
422 int err;
423
424 const u32 channels = substream->runtime->channels;
425 const u32 bytes_per_frame = channels * 3;
426 const u32 period_size = substream->runtime->period_size;
427 const u32 periods = substream->runtime->periods;
428 const u32 period_bytes = period_size * bytes_per_frame;
429
430 dma_addr_t buf = substream->dma_buffer.addr;
431 int i;
432
433 u32 needed, freed;
434 u32 size_array[5];
435
436 for (i = 0; i != periods; ++i) {
437 u32 buffer_index = 0;
438
439 err = lx_buffer_ask(chip, 0, is_capture, &needed, &freed,
440 size_array);
441 snd_printdd(LXP "starting: needed %d, freed %d\n",
442 needed, freed);
443
444 err = lx_buffer_give(chip, 0, is_capture, period_bytes,
445 lower_32_bits(buf), upper_32_bits(buf),
446 &buffer_index);
447
448 snd_printdd(LXP "starting: buffer index %x on %p (%d bytes)\n",
449 buffer_index, (void *)buf, period_bytes);
450 buf += period_bytes;
451 }
452
453 err = lx_buffer_ask(chip, 0, is_capture, &needed, &freed, size_array);
454 snd_printdd(LXP "starting: needed %d, freed %d\n", needed, freed);
455
456 snd_printd(LXP "starting: starting stream\n");
457 err = lx_stream_start(chip, 0, is_capture);
458 if (err < 0)
459 snd_printk(KERN_ERR LXP "couldn't start stream\n");
460 else
461 lx_stream->status = LX_STREAM_STATUS_RUNNING;
462
463 lx_stream->frame_pos = 0;
464}
465
466static void lx_trigger_stop(struct lx6464es *chip, struct lx_stream *lx_stream)
467{
468 const int is_capture = lx_stream->is_capture;
469 int err;
470
471 snd_printd(LXP "stopping: stopping stream\n");
472 err = lx_stream_stop(chip, 0, is_capture);
473 if (err < 0)
474 snd_printk(KERN_ERR LXP "couldn't stop stream\n");
475 else
476 lx_stream->status = LX_STREAM_STATUS_FREE;
477
478}
479
480static void lx_trigger_tasklet_dispatch_stream(struct lx6464es *chip,
481 struct lx_stream *lx_stream)
482{
483 switch (lx_stream->status) {
484 case LX_STREAM_STATUS_SCHEDULE_RUN:
485 lx_trigger_start(chip, lx_stream);
486 break;
487
488 case LX_STREAM_STATUS_SCHEDULE_STOP:
489 lx_trigger_stop(chip, lx_stream);
490 break;
491
492 default:
493 break;
494 }
495}
496
497static void lx_trigger_tasklet(unsigned long data)
498{
499 struct lx6464es *chip = (struct lx6464es *)data;
500 unsigned long flags;
501
502 snd_printdd("->lx_trigger_tasklet\n");
503
504 spin_lock_irqsave(&chip->lock, flags);
505 lx_trigger_tasklet_dispatch_stream(chip, &chip->capture_stream);
506 lx_trigger_tasklet_dispatch_stream(chip, &chip->playback_stream);
507 spin_unlock_irqrestore(&chip->lock, flags);
508}
509
510static int lx_pcm_trigger_dispatch(struct lx6464es *chip,
511 struct lx_stream *lx_stream, int cmd)
512{
513 int err = 0;
514
515 switch (cmd) {
516 case SNDRV_PCM_TRIGGER_START:
517 lx_stream->status = LX_STREAM_STATUS_SCHEDULE_RUN;
518 break;
519
520 case SNDRV_PCM_TRIGGER_STOP:
521 lx_stream->status = LX_STREAM_STATUS_SCHEDULE_STOP;
522 break;
523
524 default:
525 err = -EINVAL;
526 goto exit;
527 }
528 tasklet_schedule(&chip->trigger_tasklet);
529
530exit:
531 return err;
532}
533
534
535static int lx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
536{
537 struct lx6464es *chip = snd_pcm_substream_chip(substream);
538 const int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE);
539 struct lx_stream *stream = is_capture ? &chip->capture_stream :
540 &chip->playback_stream;
541
542 snd_printdd("->lx_pcm_trigger\n");
543
544 return lx_pcm_trigger_dispatch(chip, stream, cmd);
545}
546
547static int snd_lx6464es_free(struct lx6464es *chip)
548{
549 snd_printdd("->snd_lx6464es_free\n");
550
551 lx_irq_disable(chip);
552
553 if (chip->irq >= 0)
554 free_irq(chip->irq, chip);
555
556 iounmap(chip->port_dsp_bar);
557 ioport_unmap(chip->port_plx_remapped);
558
559 pci_release_regions(chip->pci);
560 pci_disable_device(chip->pci);
561
562 kfree(chip);
563
564 return 0;
565}
566
567static int snd_lx6464es_dev_free(struct snd_device *device)
568{
569 return snd_lx6464es_free(device->device_data);
570}
571
572/* reset the dsp during initialization */
573static int __devinit lx_init_xilinx_reset(struct lx6464es *chip)
574{
575 int i;
576 u32 plx_reg = lx_plx_reg_read(chip, ePLX_CHIPSC);
577
578 snd_printdd("->lx_init_xilinx_reset\n");
579
580 /* activate reset of xilinx */
581 plx_reg &= ~CHIPSC_RESET_XILINX;
582
583 lx_plx_reg_write(chip, ePLX_CHIPSC, plx_reg);
584 msleep(1);
585
586 lx_plx_reg_write(chip, ePLX_MBOX3, 0);
587 msleep(1);
588
589 plx_reg |= CHIPSC_RESET_XILINX;
590 lx_plx_reg_write(chip, ePLX_CHIPSC, plx_reg);
591
592 /* deactivate reset of xilinx */
593 for (i = 0; i != 100; ++i) {
594 u32 reg_mbox3;
595 msleep(10);
596 reg_mbox3 = lx_plx_reg_read(chip, ePLX_MBOX3);
597 if (reg_mbox3) {
598 snd_printd(LXP "xilinx reset done\n");
599 snd_printdd(LXP "xilinx took %d loops\n", i);
600 break;
601 }
602 }
603
604 /* todo: add some error handling? */
605
606 /* clear mr */
607 lx_dsp_reg_write(chip, eReg_CSM, 0);
608
609 /* le xilinx ES peut ne pas etre encore pret, on attend. */
610 msleep(600);
611
612 return 0;
613}
614
615static int __devinit lx_init_xilinx_test(struct lx6464es *chip)
616{
617 u32 reg;
618
619 snd_printdd("->lx_init_xilinx_test\n");
620
621 /* TEST if we have access to Xilinx/MicroBlaze */
622 lx_dsp_reg_write(chip, eReg_CSM, 0);
623
624 reg = lx_dsp_reg_read(chip, eReg_CSM);
625
626 if (reg) {
627 snd_printk(KERN_ERR LXP "Problem: Reg_CSM %x.\n", reg);
628
629 /* PCI9056_SPACE0_REMAP */
630 lx_plx_reg_write(chip, ePLX_PCICR, 1);
631
632 reg = lx_dsp_reg_read(chip, eReg_CSM);
633 if (reg) {
634 snd_printk(KERN_ERR LXP "Error: Reg_CSM %x.\n", reg);
635 return -EAGAIN; /* seems to be appropriate */
636 }
637 }
638
639 snd_printd(LXP "Xilinx/MicroBlaze access test successful\n");
640
641 return 0;
642}
643
644/* initialize ethersound */
645static int __devinit lx_init_ethersound_config(struct lx6464es *chip)
646{
647 int i;
648 u32 orig_conf_es = lx_dsp_reg_read(chip, eReg_CONFES);
649
650 u32 default_conf_es = (64 << IOCR_OUTPUTS_OFFSET) |
651 (64 << IOCR_INPUTS_OFFSET) |
652 (FREQ_RATIO_SINGLE_MODE << FREQ_RATIO_OFFSET);
653
654 u32 conf_es = (orig_conf_es & CONFES_READ_PART_MASK)
655 | (default_conf_es & CONFES_WRITE_PART_MASK);
656
657 snd_printdd("->lx_init_ethersound\n");
658
659 chip->freq_ratio = FREQ_RATIO_SINGLE_MODE;
660
661 /*
662 * write it to the card !
663 * this actually kicks the ES xilinx, the first time since poweron.
664 * the MAC address in the Reg_ADMACESMSB Reg_ADMACESLSB registers
665 * is not ready before this is done, and the bit 2 in Reg_CSES is set.
666 * */
667 lx_dsp_reg_write(chip, eReg_CONFES, conf_es);
668
669 for (i = 0; i != 1000; ++i) {
670 if (lx_dsp_reg_read(chip, eReg_CSES) & 4) {
671 snd_printd(LXP "ethersound initialized after %dms\n",
672 i);
673 goto ethersound_initialized;
674 }
675 msleep(1);
676 }
677 snd_printk(KERN_WARNING LXP
678 "ethersound could not be initialized after %dms\n", i);
679 return -ETIMEDOUT;
680
681 ethersound_initialized:
682 snd_printd(LXP "ethersound initialized\n");
683 return 0;
684}
685
686static int __devinit lx_init_get_version_features(struct lx6464es *chip)
687{
688 u32 dsp_version;
689
690 int err;
691
692 snd_printdd("->lx_init_get_version_features\n");
693
694 err = lx_dsp_get_version(chip, &dsp_version);
695
696 if (err == 0) {
697 u32 freq;
698
699 snd_printk(LXP "DSP version: V%02d.%02d #%d\n",
700 (dsp_version>>16) & 0xff, (dsp_version>>8) & 0xff,
701 dsp_version & 0xff);
702
703 /* later: what firmware version do we expect? */
704
705 /* retrieve Play/Rec features */
706 /* done here because we may have to handle alternate
707 * DSP files. */
708 /* later */
709
710 /* init the EtherSound sample rate */
711 err = lx_dsp_get_clock_frequency(chip, &freq);
712 if (err == 0)
713 chip->board_sample_rate = freq;
714 snd_printd(LXP "actual clock frequency %d\n", freq);
715 } else {
716 snd_printk(KERN_ERR LXP "DSP corrupted \n");
717 err = -EAGAIN;
718 }
719
720 return err;
721}
722
723static int lx_set_granularity(struct lx6464es *chip, u32 gran)
724{
725 int err = 0;
726 u32 snapped_gran = MICROBLAZE_IBL_MIN;
727
728 snd_printdd("->lx_set_granularity\n");
729
730 /* blocksize is a power of 2 */
731 while ((snapped_gran < gran) &&
732 (snapped_gran < MICROBLAZE_IBL_MAX)) {
733 snapped_gran *= 2;
734 }
735
736 if (snapped_gran == chip->pcm_granularity)
737 return 0;
738
739 err = lx_dsp_set_granularity(chip, snapped_gran);
740 if (err < 0) {
741 snd_printk(KERN_WARNING LXP "could not set granularity\n");
742 err = -EAGAIN;
743 }
744
745 if (snapped_gran != gran)
746 snd_printk(LXP "snapped blocksize to %d\n", snapped_gran);
747
748 snd_printd(LXP "set blocksize on board %d\n", snapped_gran);
749 chip->pcm_granularity = snapped_gran;
750
751 return err;
752}
753
754/* initialize and test the xilinx dsp chip */
755static int __devinit lx_init_dsp(struct lx6464es *chip)
756{
757 int err;
758 u8 mac_address[6];
759 int i;
760
761 snd_printdd("->lx_init_dsp\n");
762
763 snd_printd(LXP "initialize board\n");
764 err = lx_init_xilinx_reset(chip);
765 if (err)
766 return err;
767
768 snd_printd(LXP "testing board\n");
769 err = lx_init_xilinx_test(chip);
770 if (err)
771 return err;
772
773 snd_printd(LXP "initialize ethersound configuration\n");
774 err = lx_init_ethersound_config(chip);
775 if (err)
776 return err;
777
778 lx_irq_enable(chip);
779
780 /** \todo the mac address should be ready by not, but it isn't,
781 * so we wait for it */
782 for (i = 0; i != 1000; ++i) {
783 err = lx_dsp_get_mac(chip, mac_address);
784 if (err)
785 return err;
786 if (mac_address[0] || mac_address[1] || mac_address[2] ||
787 mac_address[3] || mac_address[4] || mac_address[5])
788 goto mac_ready;
789 msleep(1);
790 }
791 return -ETIMEDOUT;
792
793mac_ready:
794 snd_printd(LXP "mac address ready read after: %dms\n", i);
795 snd_printk(LXP "mac address: %02X.%02X.%02X.%02X.%02X.%02X\n",
796 mac_address[0], mac_address[1], mac_address[2],
797 mac_address[3], mac_address[4], mac_address[5]);
798
799 err = lx_init_get_version_features(chip);
800 if (err)
801 return err;
802
803 lx_set_granularity(chip, MICROBLAZE_IBL_DEFAULT);
804
805 chip->playback_mute = 0;
806
807 return err;
808}
809
810static struct snd_pcm_ops lx_ops_playback = {
811 .open = lx_pcm_open,
812 .close = lx_pcm_close,
813 .ioctl = snd_pcm_lib_ioctl,
814 .prepare = lx_pcm_prepare,
815 .hw_params = lx_pcm_hw_params_playback,
816 .hw_free = lx_pcm_hw_free,
817 .trigger = lx_pcm_trigger,
818 .pointer = lx_pcm_stream_pointer,
819};
820
821static struct snd_pcm_ops lx_ops_capture = {
822 .open = lx_pcm_open,
823 .close = lx_pcm_close,
824 .ioctl = snd_pcm_lib_ioctl,
825 .prepare = lx_pcm_prepare,
826 .hw_params = lx_pcm_hw_params_capture,
827 .hw_free = lx_pcm_hw_free,
828 .trigger = lx_pcm_trigger,
829 .pointer = lx_pcm_stream_pointer,
830};
831
832static int __devinit lx_pcm_create(struct lx6464es *chip)
833{
834 int err;
835 struct snd_pcm *pcm;
836
837 u32 size = 64 * /* channels */
838 3 * /* 24 bit samples */
839 MAX_STREAM_BUFFER * /* periods */
840 MICROBLAZE_IBL_MAX * /* frames per period */
841 2; /* duplex */
842
843 size = PAGE_ALIGN(size);
844
845 /* hardcoded device name & channel count */
846 err = snd_pcm_new(chip->card, (char *)card_name, 0,
847 1, 1, &pcm);
848
849 pcm->private_data = chip;
850
851 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &lx_ops_playback);
852 snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &lx_ops_capture);
853
854 pcm->info_flags = 0;
855 strcpy(pcm->name, card_name);
856
857 err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
858 snd_dma_pci_data(chip->pci),
859 size, size);
860 if (err < 0)
861 return err;
862
863 chip->pcm = pcm;
864 chip->capture_stream.is_capture = 1;
865
866 return 0;
867}
868
869static int lx_control_playback_info(struct snd_kcontrol *kcontrol,
870 struct snd_ctl_elem_info *uinfo)
871{
872 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
873 uinfo->count = 1;
874 uinfo->value.integer.min = 0;
875 uinfo->value.integer.max = 1;
876 return 0;
877}
878
879static int lx_control_playback_get(struct snd_kcontrol *kcontrol,
880 struct snd_ctl_elem_value *ucontrol)
881{
882 struct lx6464es *chip = snd_kcontrol_chip(kcontrol);
883 ucontrol->value.integer.value[0] = chip->playback_mute;
884 return 0;
885}
886
887static int lx_control_playback_put(struct snd_kcontrol *kcontrol,
888 struct snd_ctl_elem_value *ucontrol)
889{
890 struct lx6464es *chip = snd_kcontrol_chip(kcontrol);
891 int changed = 0;
892 int current_value = chip->playback_mute;
893
894 if (current_value != ucontrol->value.integer.value[0]) {
895 lx_level_unmute(chip, 0, !current_value);
896 chip->playback_mute = !current_value;
897 changed = 1;
898 }
899 return changed;
900}
901
902static struct snd_kcontrol_new lx_control_playback_switch __devinitdata = {
903 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
904 .name = "PCM Playback Switch",
905 .index = 0,
906 .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
907 .private_value = 0,
908 .info = lx_control_playback_info,
909 .get = lx_control_playback_get,
910 .put = lx_control_playback_put
911};
912
913
914
915static void lx_proc_levels_read(struct snd_info_entry *entry,
916 struct snd_info_buffer *buffer)
917{
918 u32 levels[64];
919 int err;
920 int i, j;
921 struct lx6464es *chip = entry->private_data;
922
923 snd_iprintf(buffer, "capture levels:\n");
924 err = lx_level_peaks(chip, 1, 64, levels);
925 if (err < 0)
926 return;
927
928 for (i = 0; i != 8; ++i) {
929 for (j = 0; j != 8; ++j)
930 snd_iprintf(buffer, "%08x ", levels[i*8+j]);
931 snd_iprintf(buffer, "\n");
932 }
933
934 snd_iprintf(buffer, "\nplayback levels:\n");
935
936 err = lx_level_peaks(chip, 0, 64, levels);
937 if (err < 0)
938 return;
939
940 for (i = 0; i != 8; ++i) {
941 for (j = 0; j != 8; ++j)
942 snd_iprintf(buffer, "%08x ", levels[i*8+j]);
943 snd_iprintf(buffer, "\n");
944 }
945
946 snd_iprintf(buffer, "\n");
947}
948
949static int __devinit lx_proc_create(struct snd_card *card, struct lx6464es *chip)
950{
951 struct snd_info_entry *entry;
952 int err = snd_card_proc_new(card, "levels", &entry);
953 if (err < 0)
954 return err;
955
956 snd_info_set_text_ops(entry, chip, lx_proc_levels_read);
957 return 0;
958}
959
960
961static int __devinit snd_lx6464es_create(struct snd_card *card,
962 struct pci_dev *pci,
963 struct lx6464es **rchip)
964{
965 struct lx6464es *chip;
966 int err;
967
968 static struct snd_device_ops ops = {
969 .dev_free = snd_lx6464es_dev_free,
970 };
971
972 snd_printdd("->snd_lx6464es_create\n");
973
974 *rchip = NULL;
975
976 /* enable PCI device */
977 err = pci_enable_device(pci);
978 if (err < 0)
979 return err;
980
981 pci_set_master(pci);
982
983 /* check if we can restrict PCI DMA transfers to 32 bits */
984 err = pci_set_dma_mask(pci, DMA_32BIT_MASK);
985 if (err < 0) {
986 snd_printk(KERN_ERR "architecture does not support "
987 "32bit PCI busmaster DMA\n");
988 pci_disable_device(pci);
989 return -ENXIO;
990 }
991
992 chip = kzalloc(sizeof(*chip), GFP_KERNEL);
993 if (chip == NULL) {
994 err = -ENOMEM;
995 goto alloc_failed;
996 }
997
998 chip->card = card;
999 chip->pci = pci;
1000 chip->irq = -1;
1001
1002 /* initialize synchronization structs */
1003 spin_lock_init(&chip->lock);
1004 spin_lock_init(&chip->msg_lock);
1005 mutex_init(&chip->setup_mutex);
1006 tasklet_init(&chip->trigger_tasklet, lx_trigger_tasklet,
1007 (unsigned long)chip);
1008 tasklet_init(&chip->tasklet_capture, lx_tasklet_capture,
1009 (unsigned long)chip);
1010 tasklet_init(&chip->tasklet_playback, lx_tasklet_playback,
1011 (unsigned long)chip);
1012
1013 /* request resources */
1014 err = pci_request_regions(pci, card_name);
1015 if (err < 0)
1016 goto request_regions_failed;
1017
1018 /* plx port */
1019 chip->port_plx = pci_resource_start(pci, 1);
1020 chip->port_plx_remapped = ioport_map(chip->port_plx,
1021 pci_resource_len(pci, 1));
1022
1023 /* dsp port */
1024 chip->port_dsp_bar = pci_ioremap_bar(pci, 2);
1025
1026 err = request_irq(pci->irq, lx_interrupt, IRQF_SHARED,
1027 card_name, chip);
1028 if (err) {
1029 snd_printk(KERN_ERR LXP "unable to grab IRQ %d\n", pci->irq);
1030 goto request_irq_failed;
1031 }
1032 chip->irq = pci->irq;
1033
1034 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
1035 if (err < 0)
1036 goto device_new_failed;
1037
1038 err = lx_init_dsp(chip);
1039 if (err < 0) {
1040 snd_printk(KERN_ERR LXP "error during DSP initialization\n");
1041 return err;
1042 }
1043
1044 err = lx_pcm_create(chip);
1045 if (err < 0)
1046 return err;
1047
1048 err = lx_proc_create(card, chip);
1049 if (err < 0)
1050 return err;
1051
1052 err = snd_ctl_add(card, snd_ctl_new1(&lx_control_playback_switch,
1053 chip));
1054 if (err < 0)
1055 return err;
1056
1057 snd_card_set_dev(card, &pci->dev);
1058
1059 *rchip = chip;
1060 return 0;
1061
1062device_new_failed:
1063 free_irq(pci->irq, chip);
1064
1065request_irq_failed:
1066 pci_release_regions(pci);
1067
1068request_regions_failed:
1069 kfree(chip);
1070
1071alloc_failed:
1072 pci_disable_device(pci);
1073
1074 return err;
1075}
1076
1077static int __devinit snd_lx6464es_probe(struct pci_dev *pci,
1078 const struct pci_device_id *pci_id)
1079{
1080 static int dev;
1081 struct snd_card *card;
1082 struct lx6464es *chip;
1083 int err;
1084
1085 snd_printdd("->snd_lx6464es_probe\n");
1086
1087 if (dev >= SNDRV_CARDS)
1088 return -ENODEV;
1089 if (!enable[dev]) {
1090 dev++;
1091 return -ENOENT;
1092 }
1093
1094 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
1095 if (card == NULL)
1096 return -ENOMEM;
1097
1098 err = snd_lx6464es_create(card, pci, &chip);
1099 if (err < 0) {
1100 snd_printk(KERN_ERR LXP "error during snd_lx6464es_create\n");
1101 goto out_free;
1102 }
1103
1104 strcpy(card->driver, "lx6464es");
1105 strcpy(card->shortname, "Digigram LX6464ES");
1106 sprintf(card->longname, "%s at 0x%lx, 0x%p, irq %i",
1107 card->shortname, chip->port_plx,
1108 chip->port_dsp_bar, chip->irq);
1109
1110 err = snd_card_register(card);
1111 if (err < 0)
1112 goto out_free;
1113
1114 snd_printdd(LXP "initialization successful\n");
1115 pci_set_drvdata(pci, card);
1116 dev++;
1117 return 0;
1118
1119out_free:
1120 snd_card_free(card);
1121 return err;
1122
1123}
1124
1125static void __devexit snd_lx6464es_remove(struct pci_dev *pci)
1126{
1127 snd_card_free(pci_get_drvdata(pci));
1128 pci_set_drvdata(pci, NULL);
1129}
1130
1131
1132static struct pci_driver driver = {
1133 .name = "Digigram LX6464ES",
1134 .id_table = snd_lx6464es_ids,
1135 .probe = snd_lx6464es_probe,
1136 .remove = __devexit_p(snd_lx6464es_remove),
1137};
1138
1139
1140/* module initialization */
1141static int __init mod_init(void)
1142{
1143 return pci_register_driver(&driver);
1144}
1145
1146static void __exit mod_exit(void)
1147{
1148 pci_unregister_driver(&driver);
1149}
1150
1151module_init(mod_init);
1152module_exit(mod_exit);
diff --git a/sound/pci/lx6464es/lx6464es.h b/sound/pci/lx6464es/lx6464es.h
new file mode 100644
index 000000000000..012c010c8c89
--- /dev/null
+++ b/sound/pci/lx6464es/lx6464es.h
@@ -0,0 +1,114 @@
1/* -*- linux-c -*- *
2 *
3 * ALSA driver for the digigram lx6464es interface
4 *
5 * Copyright (c) 2009 Tim Blechmann <tim@klingt.org>
6 *
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; see the file COPYING. If not, write to
20 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 * Boston, MA 02111-1307, USA.
22 *
23 */
24
25#ifndef LX6464ES_H
26#define LX6464ES_H
27
28#include <linux/spinlock.h>
29#include <asm/atomic.h>
30
31#include <sound/core.h>
32#include <sound/pcm.h>
33
34#include "lx_core.h"
35
36#define LXP "LX6464ES: "
37
38enum {
39 ES_cmd_free = 0, /* no command executing */
40 ES_cmd_processing = 1, /* execution of a read/write command */
41 ES_read_pending = 2, /* a asynchron read command is pending */
42 ES_read_finishing = 3, /* a read command has finished waiting (set by
43 * Interrupt or CancelIrp) */
44};
45
46enum lx_stream_status {
47 LX_STREAM_STATUS_FREE,
48/* LX_STREAM_STATUS_OPEN, */
49 LX_STREAM_STATUS_SCHEDULE_RUN,
50/* LX_STREAM_STATUS_STARTED, */
51 LX_STREAM_STATUS_RUNNING,
52 LX_STREAM_STATUS_SCHEDULE_STOP,
53/* LX_STREAM_STATUS_STOPPED, */
54/* LX_STREAM_STATUS_PAUSED */
55};
56
57
58struct lx_stream {
59 struct snd_pcm_substream *stream;
60 snd_pcm_uframes_t frame_pos;
61 enum lx_stream_status status; /* free, open, running, draining
62 * pause */
63 int is_capture:1;
64};
65
66
67struct lx6464es {
68 struct snd_card *card;
69 struct pci_dev *pci;
70 int irq;
71
72 spinlock_t lock; /* interrupt spinlock */
73 struct mutex setup_mutex; /* mutex used in hw_params, open
74 * and close */
75
76 struct tasklet_struct trigger_tasklet; /* trigger tasklet */
77 struct tasklet_struct tasklet_capture;
78 struct tasklet_struct tasklet_playback;
79
80 /* ports */
81 unsigned long port_plx; /* io port (size=256) */
82 void __iomem *port_plx_remapped; /* remapped plx port */
83 void __iomem *port_dsp_bar; /* memory port (32-bit,
84 * non-prefetchable,
85 * size=8K) */
86
87 /* messaging */
88 spinlock_t msg_lock; /* message spinlock */
89 atomic_t send_message_locked;
90 struct lx_rmh rmh;
91
92 /* configuration */
93 uint freq_ratio : 2;
94 uint playback_mute : 1;
95 uint hardware_running[2];
96 u32 board_sample_rate; /* sample rate read from
97 * board */
98 u32 sample_rate; /* our sample rate */
99 u16 pcm_granularity; /* board blocksize */
100
101 /* dma */
102 struct snd_dma_buffer capture_dma_buf;
103 struct snd_dma_buffer playback_dma_buf;
104
105 /* pcm */
106 struct snd_pcm *pcm;
107
108 /* streams */
109 struct lx_stream capture_stream;
110 struct lx_stream playback_stream;
111};
112
113
114#endif /* LX6464ES_H */
diff --git a/sound/pci/lx6464es/lx_core.c b/sound/pci/lx6464es/lx_core.c
new file mode 100644
index 000000000000..a9f8f882b107
--- /dev/null
+++ b/sound/pci/lx6464es/lx_core.c
@@ -0,0 +1,1442 @@
1/* -*- linux-c -*- *
2 *
3 * ALSA driver for the digigram lx6464es interface
4 * low-level interface
5 *
6 * Copyright (c) 2009 Tim Blechmann <tim@klingt.org>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; see the file COPYING. If not, write to
20 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 * Boston, MA 02111-1307, USA.
22 *
23 */
24
25/* #define RMH_DEBUG 1 */
26
27#include <linux/module.h>
28#include <linux/pci.h>
29#include <linux/delay.h>
30
31#include "lx6464es.h"
32#include "lx_core.h"
33
34/* low-level register access */
35
36static const unsigned long dsp_port_offsets[] = {
37 0,
38 0x400,
39 0x401,
40 0x402,
41 0x403,
42 0x404,
43 0x405,
44 0x406,
45 0x407,
46 0x408,
47 0x409,
48 0x40a,
49 0x40b,
50 0x40c,
51
52 0x410,
53 0x411,
54 0x412,
55 0x413,
56 0x414,
57 0x415,
58 0x416,
59
60 0x420,
61 0x430,
62 0x431,
63 0x432,
64 0x433,
65 0x434,
66 0x440
67};
68
69static void __iomem *lx_dsp_register(struct lx6464es *chip, int port)
70{
71 void __iomem *base_address = chip->port_dsp_bar;
72 return base_address + dsp_port_offsets[port]*4;
73}
74
75unsigned long lx_dsp_reg_read(struct lx6464es *chip, int port)
76{
77 void __iomem *address = lx_dsp_register(chip, port);
78 return ioread32(address);
79}
80
81void lx_dsp_reg_readbuf(struct lx6464es *chip, int port, u32 *data, u32 len)
82{
83 void __iomem *address = lx_dsp_register(chip, port);
84 memcpy_fromio(data, address, len*sizeof(u32));
85}
86
87
88void lx_dsp_reg_write(struct lx6464es *chip, int port, unsigned data)
89{
90 void __iomem *address = lx_dsp_register(chip, port);
91 iowrite32(data, address);
92}
93
94void lx_dsp_reg_writebuf(struct lx6464es *chip, int port, const u32 *data,
95 u32 len)
96{
97 void __iomem *address = lx_dsp_register(chip, port);
98 memcpy_toio(address, data, len*sizeof(u32));
99}
100
101
102static const unsigned long plx_port_offsets[] = {
103 0x04,
104 0x40,
105 0x44,
106 0x48,
107 0x4c,
108 0x50,
109 0x54,
110 0x58,
111 0x5c,
112 0x64,
113 0x68,
114 0x6C
115};
116
117static void __iomem *lx_plx_register(struct lx6464es *chip, int port)
118{
119 void __iomem *base_address = chip->port_plx_remapped;
120 return base_address + plx_port_offsets[port];
121}
122
123unsigned long lx_plx_reg_read(struct lx6464es *chip, int port)
124{
125 void __iomem *address = lx_plx_register(chip, port);
126 return ioread32(address);
127}
128
129void lx_plx_reg_write(struct lx6464es *chip, int port, u32 data)
130{
131 void __iomem *address = lx_plx_register(chip, port);
132 iowrite32(data, address);
133}
134
135u32 lx_plx_mbox_read(struct lx6464es *chip, int mbox_nr)
136{
137 int index;
138
139 switch (mbox_nr) {
140 case 1:
141 index = ePLX_MBOX1; break;
142 case 2:
143 index = ePLX_MBOX2; break;
144 case 3:
145 index = ePLX_MBOX3; break;
146 case 4:
147 index = ePLX_MBOX4; break;
148 case 5:
149 index = ePLX_MBOX5; break;
150 case 6:
151 index = ePLX_MBOX6; break;
152 case 7:
153 index = ePLX_MBOX7; break;
154 case 0: /* reserved for HF flags */
155 snd_BUG();
156 default:
157 return 0xdeadbeef;
158 }
159
160 return lx_plx_reg_read(chip, index);
161}
162
163int lx_plx_mbox_write(struct lx6464es *chip, int mbox_nr, u32 value)
164{
165 int index = -1;
166
167 switch (mbox_nr) {
168 case 1:
169 index = ePLX_MBOX1; break;
170 case 3:
171 index = ePLX_MBOX3; break;
172 case 4:
173 index = ePLX_MBOX4; break;
174 case 5:
175 index = ePLX_MBOX5; break;
176 case 6:
177 index = ePLX_MBOX6; break;
178 case 7:
179 index = ePLX_MBOX7; break;
180 case 0: /* reserved for HF flags */
181 case 2: /* reserved for Pipe States
182 * the DSP keeps an image of it */
183 snd_BUG();
184 return -EBADRQC;
185 }
186
187 lx_plx_reg_write(chip, index, value);
188 return 0;
189}
190
191
192/* rmh */
193
194#ifdef CONFIG_SND_DEBUG
195#define CMD_NAME(a) a
196#else
197#define CMD_NAME(a) NULL
198#endif
199
200#define Reg_CSM_MR 0x00000002
201#define Reg_CSM_MC 0x00000001
202
203struct dsp_cmd_info {
204 u32 dcCodeOp; /* Op Code of the command (usually 1st 24-bits
205 * word).*/
206 u16 dcCmdLength; /* Command length in words of 24 bits.*/
207 u16 dcStatusType; /* Status type: 0 for fixed length, 1 for
208 * random. */
209 u16 dcStatusLength; /* Status length (if fixed).*/
210 char *dcOpName;
211};
212
213/*
214 Initialization and control data for the Microblaze interface
215 - OpCode:
216 the opcode field of the command set at the proper offset
217 - CmdLength
218 the number of command words
219 - StatusType
220 offset in the status registers: 0 means that the return value may be
221 different from 0, and must be read
222 - StatusLength
223 the number of status words (in addition to the return value)
224*/
225
226static struct dsp_cmd_info dsp_commands[] =
227{
228 { (CMD_00_INFO_DEBUG << OPCODE_OFFSET) , 1 /*custom*/
229 , 1 , 0 /**/ , CMD_NAME("INFO_DEBUG") },
230 { (CMD_01_GET_SYS_CFG << OPCODE_OFFSET) , 1 /**/
231 , 1 , 2 /**/ , CMD_NAME("GET_SYS_CFG") },
232 { (CMD_02_SET_GRANULARITY << OPCODE_OFFSET) , 1 /**/
233 , 1 , 0 /**/ , CMD_NAME("SET_GRANULARITY") },
234 { (CMD_03_SET_TIMER_IRQ << OPCODE_OFFSET) , 1 /**/
235 , 1 , 0 /**/ , CMD_NAME("SET_TIMER_IRQ") },
236 { (CMD_04_GET_EVENT << OPCODE_OFFSET) , 1 /**/
237 , 1 , 0 /*up to 10*/ , CMD_NAME("GET_EVENT") },
238 { (CMD_05_GET_PIPES << OPCODE_OFFSET) , 1 /**/
239 , 1 , 2 /*up to 4*/ , CMD_NAME("GET_PIPES") },
240 { (CMD_06_ALLOCATE_PIPE << OPCODE_OFFSET) , 1 /**/
241 , 0 , 0 /**/ , CMD_NAME("ALLOCATE_PIPE") },
242 { (CMD_07_RELEASE_PIPE << OPCODE_OFFSET) , 1 /**/
243 , 0 , 0 /**/ , CMD_NAME("RELEASE_PIPE") },
244 { (CMD_08_ASK_BUFFERS << OPCODE_OFFSET) , 1 /**/
245 , 1 , MAX_STREAM_BUFFER , CMD_NAME("ASK_BUFFERS") },
246 { (CMD_09_STOP_PIPE << OPCODE_OFFSET) , 1 /**/
247 , 0 , 0 /*up to 2*/ , CMD_NAME("STOP_PIPE") },
248 { (CMD_0A_GET_PIPE_SPL_COUNT << OPCODE_OFFSET) , 1 /**/
249 , 1 , 1 /*up to 2*/ , CMD_NAME("GET_PIPE_SPL_COUNT") },
250 { (CMD_0B_TOGGLE_PIPE_STATE << OPCODE_OFFSET) , 1 /*up to 5*/
251 , 1 , 0 /**/ , CMD_NAME("TOGGLE_PIPE_STATE") },
252 { (CMD_0C_DEF_STREAM << OPCODE_OFFSET) , 1 /*up to 4*/
253 , 1 , 0 /**/ , CMD_NAME("DEF_STREAM") },
254 { (CMD_0D_SET_MUTE << OPCODE_OFFSET) , 3 /**/
255 , 1 , 0 /**/ , CMD_NAME("SET_MUTE") },
256 { (CMD_0E_GET_STREAM_SPL_COUNT << OPCODE_OFFSET) , 1/**/
257 , 1 , 2 /**/ , CMD_NAME("GET_STREAM_SPL_COUNT") },
258 { (CMD_0F_UPDATE_BUFFER << OPCODE_OFFSET) , 3 /*up to 4*/
259 , 0 , 1 /**/ , CMD_NAME("UPDATE_BUFFER") },
260 { (CMD_10_GET_BUFFER << OPCODE_OFFSET) , 1 /**/
261 , 1 , 4 /**/ , CMD_NAME("GET_BUFFER") },
262 { (CMD_11_CANCEL_BUFFER << OPCODE_OFFSET) , 1 /**/
263 , 1 , 1 /*up to 4*/ , CMD_NAME("CANCEL_BUFFER") },
264 { (CMD_12_GET_PEAK << OPCODE_OFFSET) , 1 /**/
265 , 1 , 1 /**/ , CMD_NAME("GET_PEAK") },
266 { (CMD_13_SET_STREAM_STATE << OPCODE_OFFSET) , 1 /**/
267 , 1 , 0 /**/ , CMD_NAME("SET_STREAM_STATE") },
268};
269
270static void lx_message_init(struct lx_rmh *rmh, enum cmd_mb_opcodes cmd)
271{
272 snd_BUG_ON(cmd >= CMD_14_INVALID);
273
274 rmh->cmd[0] = dsp_commands[cmd].dcCodeOp;
275 rmh->cmd_len = dsp_commands[cmd].dcCmdLength;
276 rmh->stat_len = dsp_commands[cmd].dcStatusLength;
277 rmh->dsp_stat = dsp_commands[cmd].dcStatusType;
278 rmh->cmd_idx = cmd;
279 memset(&rmh->cmd[1], 0, (REG_CRM_NUMBER - 1) * sizeof(u32));
280
281#ifdef CONFIG_SND_DEBUG
282 memset(rmh->stat, 0, REG_CRM_NUMBER * sizeof(u32));
283#endif
284#ifdef RMH_DEBUG
285 rmh->cmd_idx = cmd;
286#endif
287}
288
289#ifdef RMH_DEBUG
290#define LXRMH "lx6464es rmh: "
291static void lx_message_dump(struct lx_rmh *rmh)
292{
293 u8 idx = rmh->cmd_idx;
294 int i;
295
296 snd_printk(LXRMH "command %s\n", dsp_commands[idx].dcOpName);
297
298 for (i = 0; i != rmh->cmd_len; ++i)
299 snd_printk(LXRMH "\tcmd[%d] %08x\n", i, rmh->cmd[i]);
300
301 for (i = 0; i != rmh->stat_len; ++i)
302 snd_printk(LXRMH "\tstat[%d]: %08x\n", i, rmh->stat[i]);
303 snd_printk("\n");
304}
305#else
306static inline void lx_message_dump(struct lx_rmh *rmh)
307{}
308#endif
309
310
311
312/* sleep 500 - 100 = 400 times 100us -> the timeout is >= 40 ms */
313#define XILINX_TIMEOUT_MS 40
314#define XILINX_POLL_NO_SLEEP 100
315#define XILINX_POLL_ITERATIONS 150
316
317static int lx_message_send(struct lx6464es *chip, struct lx_rmh *rmh)
318{
319 u32 reg = ED_DSP_TIMED_OUT;
320 int dwloop;
321 int answer_received;
322
323 if (lx_dsp_reg_read(chip, eReg_CSM) & (Reg_CSM_MC | Reg_CSM_MR)) {
324 snd_printk(KERN_ERR LXP "PIOSendMessage eReg_CSM %x\n", reg);
325 return -EBUSY;
326 }
327
328 /* write command */
329 lx_dsp_reg_writebuf(chip, eReg_CRM1, rmh->cmd, rmh->cmd_len);
330
331 snd_BUG_ON(atomic_read(&chip->send_message_locked) != 0);
332 atomic_set(&chip->send_message_locked, 1);
333
334 /* MicoBlaze gogogo */
335 lx_dsp_reg_write(chip, eReg_CSM, Reg_CSM_MC);
336
337 /* wait for interrupt to answer */
338 for (dwloop = 0; dwloop != XILINX_TIMEOUT_MS; ++dwloop) {
339 answer_received = atomic_read(&chip->send_message_locked);
340 if (answer_received == 0)
341 break;
342 msleep(1);
343 }
344
345 if (answer_received == 0) {
346 /* in Debug mode verify Reg_CSM_MR */
347 snd_BUG_ON(!(lx_dsp_reg_read(chip, eReg_CSM) & Reg_CSM_MR));
348
349 /* command finished, read status */
350 if (rmh->dsp_stat == 0)
351 reg = lx_dsp_reg_read(chip, eReg_CRM1);
352 else
353 reg = 0;
354 } else {
355 int i;
356 snd_printk(KERN_WARNING LXP "TIMEOUT lx_message_send! "
357 "Interrupts disabled?\n");
358
359 /* attente bit Reg_CSM_MR */
360 for (i = 0; i != XILINX_POLL_ITERATIONS; i++) {
361 if ((lx_dsp_reg_read(chip, eReg_CSM) & Reg_CSM_MR)) {
362 if (rmh->dsp_stat == 0)
363 reg = lx_dsp_reg_read(chip, eReg_CRM1);
364 else
365 reg = 0;
366 goto polling_successful;
367 }
368
369 if (i > XILINX_POLL_NO_SLEEP)
370 msleep(1);
371 }
372 snd_printk(KERN_WARNING LXP "TIMEOUT lx_message_send! "
373 "polling failed\n");
374
375polling_successful:
376 atomic_set(&chip->send_message_locked, 0);
377 }
378
379 if ((reg & ERROR_VALUE) == 0) {
380 /* read response */
381 if (rmh->stat_len) {
382 snd_BUG_ON(rmh->stat_len >= (REG_CRM_NUMBER-1));
383
384 lx_dsp_reg_readbuf(chip, eReg_CRM2, rmh->stat,
385 rmh->stat_len);
386 }
387 } else
388 snd_printk(KERN_WARNING LXP "lx_message_send: error_value %x\n",
389 reg);
390
391 /* clear Reg_CSM_MR */
392 lx_dsp_reg_write(chip, eReg_CSM, 0);
393
394 switch (reg) {
395 case ED_DSP_TIMED_OUT:
396 snd_printk(KERN_WARNING LXP "lx_message_send: dsp timeout\n");
397 return -ETIMEDOUT;
398
399 case ED_DSP_CRASHED:
400 snd_printk(KERN_WARNING LXP "lx_message_send: dsp crashed\n");
401 return -EAGAIN;
402 }
403
404 lx_message_dump(rmh);
405 return 0;
406}
407
408static int lx_message_send_atomic(struct lx6464es *chip, struct lx_rmh *rmh)
409{
410 u32 reg = ED_DSP_TIMED_OUT;
411 int dwloop;
412
413 if (lx_dsp_reg_read(chip, eReg_CSM) & (Reg_CSM_MC | Reg_CSM_MR)) {
414 snd_printk(KERN_ERR LXP "PIOSendMessage eReg_CSM %x\n", reg);
415 return -EBUSY;
416 }
417
418 /* write command */
419 lx_dsp_reg_writebuf(chip, eReg_CRM1, rmh->cmd, rmh->cmd_len);
420
421 /* MicoBlaze gogogo */
422 lx_dsp_reg_write(chip, eReg_CSM, Reg_CSM_MC);
423
424 /* wait for interrupt to answer */
425 for (dwloop = 0; dwloop != XILINX_TIMEOUT_MS * 1000; ++dwloop) {
426 if (lx_dsp_reg_read(chip, eReg_CSM) & Reg_CSM_MR) {
427 if (rmh->dsp_stat == 0)
428 reg = lx_dsp_reg_read(chip, eReg_CRM1);
429 else
430 reg = 0;
431 goto polling_successful;
432 } else
433 udelay(1);
434 }
435 snd_printk(KERN_WARNING LXP "TIMEOUT lx_message_send_atomic! "
436 "polling failed\n");
437
438polling_successful:
439 if ((reg & ERROR_VALUE) == 0) {
440 /* read response */
441 if (rmh->stat_len) {
442 snd_BUG_ON(rmh->stat_len >= (REG_CRM_NUMBER-1));
443 lx_dsp_reg_readbuf(chip, eReg_CRM2, rmh->stat,
444 rmh->stat_len);
445 }
446 } else
447 snd_printk(LXP "rmh error: %08x\n", reg);
448
449 /* clear Reg_CSM_MR */
450 lx_dsp_reg_write(chip, eReg_CSM, 0);
451
452 switch (reg) {
453 case ED_DSP_TIMED_OUT:
454 snd_printk(KERN_WARNING LXP "lx_message_send: dsp timeout\n");
455 return -ETIMEDOUT;
456
457 case ED_DSP_CRASHED:
458 snd_printk(KERN_WARNING LXP "lx_message_send: dsp crashed\n");
459 return -EAGAIN;
460 }
461
462 lx_message_dump(rmh);
463
464 return reg;
465}
466
467
468/* low-level dsp access */
469int __devinit lx_dsp_get_version(struct lx6464es *chip, u32 *rdsp_version)
470{
471 u16 ret;
472 unsigned long flags;
473
474 spin_lock_irqsave(&chip->msg_lock, flags);
475
476 lx_message_init(&chip->rmh, CMD_01_GET_SYS_CFG);
477 ret = lx_message_send_atomic(chip, &chip->rmh);
478
479 *rdsp_version = chip->rmh.stat[1];
480 spin_unlock_irqrestore(&chip->msg_lock, flags);
481 return ret;
482}
483
484int lx_dsp_get_clock_frequency(struct lx6464es *chip, u32 *rfreq)
485{
486 u16 ret = 0;
487 unsigned long flags;
488 u32 freq_raw = 0;
489 u32 freq = 0;
490 u32 frequency = 0;
491
492 spin_lock_irqsave(&chip->msg_lock, flags);
493
494 lx_message_init(&chip->rmh, CMD_01_GET_SYS_CFG);
495 ret = lx_message_send_atomic(chip, &chip->rmh);
496
497 if (ret == 0) {
498 freq_raw = chip->rmh.stat[0] >> FREQ_FIELD_OFFSET;
499 freq = freq_raw & XES_FREQ_COUNT8_MASK;
500
501 if ((freq < XES_FREQ_COUNT8_48_MAX) ||
502 (freq > XES_FREQ_COUNT8_44_MIN))
503 frequency = 0; /* unknown */
504 else if (freq >= XES_FREQ_COUNT8_44_MAX)
505 frequency = 44100;
506 else
507 frequency = 48000;
508 }
509
510 spin_unlock_irqrestore(&chip->msg_lock, flags);
511
512 *rfreq = frequency * chip->freq_ratio;
513
514 return ret;
515}
516
517int lx_dsp_get_mac(struct lx6464es *chip, u8 *mac_address)
518{
519 u32 macmsb, maclsb;
520
521 macmsb = lx_dsp_reg_read(chip, eReg_ADMACESMSB) & 0x00FFFFFF;
522 maclsb = lx_dsp_reg_read(chip, eReg_ADMACESLSB) & 0x00FFFFFF;
523
524 /* todo: endianess handling */
525 mac_address[5] = ((u8 *)(&maclsb))[0];
526 mac_address[4] = ((u8 *)(&maclsb))[1];
527 mac_address[3] = ((u8 *)(&maclsb))[2];
528 mac_address[2] = ((u8 *)(&macmsb))[0];
529 mac_address[1] = ((u8 *)(&macmsb))[1];
530 mac_address[0] = ((u8 *)(&macmsb))[2];
531
532 return 0;
533}
534
535
536int lx_dsp_set_granularity(struct lx6464es *chip, u32 gran)
537{
538 unsigned long flags;
539 int ret;
540
541 spin_lock_irqsave(&chip->msg_lock, flags);
542
543 lx_message_init(&chip->rmh, CMD_02_SET_GRANULARITY);
544 chip->rmh.cmd[0] |= gran;
545
546 ret = lx_message_send_atomic(chip, &chip->rmh);
547 spin_unlock_irqrestore(&chip->msg_lock, flags);
548 return ret;
549}
550
551int lx_dsp_read_async_events(struct lx6464es *chip, u32 *data)
552{
553 unsigned long flags;
554 int ret;
555
556 spin_lock_irqsave(&chip->msg_lock, flags);
557
558 lx_message_init(&chip->rmh, CMD_04_GET_EVENT);
559 chip->rmh.stat_len = 9; /* we don't necessarily need the full length */
560
561 ret = lx_message_send_atomic(chip, &chip->rmh);
562
563 if (!ret)
564 memcpy(data, chip->rmh.stat, chip->rmh.stat_len * sizeof(u32));
565
566 spin_unlock_irqrestore(&chip->msg_lock, flags);
567 return ret;
568}
569
570#define CSES_TIMEOUT 100 /* microseconds */
571#define CSES_CE 0x0001
572#define CSES_BROADCAST 0x0002
573#define CSES_UPDATE_LDSV 0x0004
574
575int lx_dsp_es_check_pipeline(struct lx6464es *chip)
576{
577 int i;
578
579 for (i = 0; i != CSES_TIMEOUT; ++i) {
580 /*
581 * le bit CSES_UPDATE_LDSV est à 1 dés que le macprog
582 * est pret. il re-passe à 0 lorsque le premier read a
583 * été fait. pour l'instant on retire le test car ce bit
584 * passe a 1 environ 200 à 400 ms aprés que le registre
585 * confES à été écrit (kick du xilinx ES).
586 *
587 * On ne teste que le bit CE.
588 * */
589
590 u32 cses = lx_dsp_reg_read(chip, eReg_CSES);
591
592 if ((cses & CSES_CE) == 0)
593 return 0;
594
595 udelay(1);
596 }
597
598 return -ETIMEDOUT;
599}
600
601
602#define PIPE_INFO_TO_CMD(capture, pipe) \
603 ((u32)((u32)(pipe) | ((capture) ? ID_IS_CAPTURE : 0L)) << ID_OFFSET)
604
605
606
607/* low-level pipe handling */
608int lx_pipe_allocate(struct lx6464es *chip, u32 pipe, int is_capture,
609 int channels)
610{
611 int err;
612 unsigned long flags;
613
614 u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
615
616 spin_lock_irqsave(&chip->msg_lock, flags);
617 lx_message_init(&chip->rmh, CMD_06_ALLOCATE_PIPE);
618
619 chip->rmh.cmd[0] |= pipe_cmd;
620 chip->rmh.cmd[0] |= channels;
621
622 err = lx_message_send_atomic(chip, &chip->rmh);
623 spin_unlock_irqrestore(&chip->msg_lock, flags);
624
625 if (err != 0)
626 snd_printk(KERN_ERR "lx6464es: could not allocate pipe\n");
627
628 return err;
629}
630
631int lx_pipe_release(struct lx6464es *chip, u32 pipe, int is_capture)
632{
633 int err;
634 unsigned long flags;
635
636 u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
637
638 spin_lock_irqsave(&chip->msg_lock, flags);
639 lx_message_init(&chip->rmh, CMD_07_RELEASE_PIPE);
640
641 chip->rmh.cmd[0] |= pipe_cmd;
642
643 err = lx_message_send_atomic(chip, &chip->rmh);
644 spin_unlock_irqrestore(&chip->msg_lock, flags);
645
646 return err;
647}
648
649int lx_buffer_ask(struct lx6464es *chip, u32 pipe, int is_capture,
650 u32 *r_needed, u32 *r_freed, u32 *size_array)
651{
652 int err;
653 unsigned long flags;
654
655 u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
656
657#ifdef CONFIG_SND_DEBUG
658 if (size_array)
659 memset(size_array, 0, sizeof(u32)*MAX_STREAM_BUFFER);
660#endif
661
662 *r_needed = 0;
663 *r_freed = 0;
664
665 spin_lock_irqsave(&chip->msg_lock, flags);
666 lx_message_init(&chip->rmh, CMD_08_ASK_BUFFERS);
667
668 chip->rmh.cmd[0] |= pipe_cmd;
669
670 err = lx_message_send_atomic(chip, &chip->rmh);
671
672 if (!err) {
673 int i;
674 for (i = 0; i < MAX_STREAM_BUFFER; ++i) {
675 u32 stat = chip->rmh.stat[i];
676 if (stat & (BF_EOB << BUFF_FLAGS_OFFSET)) {
677 /* finished */
678 *r_freed += 1;
679 if (size_array)
680 size_array[i] = stat & MASK_DATA_SIZE;
681 } else if ((stat & (BF_VALID << BUFF_FLAGS_OFFSET))
682 == 0)
683 /* free */
684 *r_needed += 1;
685 }
686
687#if 0
688 snd_printdd(LXP "CMD_08_ASK_BUFFERS: needed %d, freed %d\n",
689 *r_needed, *r_freed);
690 for (i = 0; i < MAX_STREAM_BUFFER; ++i) {
691 for (i = 0; i != chip->rmh.stat_len; ++i)
692 snd_printdd(" stat[%d]: %x, %x\n", i,
693 chip->rmh.stat[i],
694 chip->rmh.stat[i] & MASK_DATA_SIZE);
695 }
696#endif
697 }
698
699 spin_unlock_irqrestore(&chip->msg_lock, flags);
700 return err;
701}
702
703
704int lx_pipe_stop(struct lx6464es *chip, u32 pipe, int is_capture)
705{
706 int err;
707 unsigned long flags;
708
709 u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
710
711 spin_lock_irqsave(&chip->msg_lock, flags);
712 lx_message_init(&chip->rmh, CMD_09_STOP_PIPE);
713
714 chip->rmh.cmd[0] |= pipe_cmd;
715
716 err = lx_message_send_atomic(chip, &chip->rmh);
717
718 spin_unlock_irqrestore(&chip->msg_lock, flags);
719 return err;
720}
721
722static int lx_pipe_toggle_state(struct lx6464es *chip, u32 pipe, int is_capture)
723{
724 int err;
725 unsigned long flags;
726
727 u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
728
729 spin_lock_irqsave(&chip->msg_lock, flags);
730 lx_message_init(&chip->rmh, CMD_0B_TOGGLE_PIPE_STATE);
731
732 chip->rmh.cmd[0] |= pipe_cmd;
733
734 err = lx_message_send_atomic(chip, &chip->rmh);
735
736 spin_unlock_irqrestore(&chip->msg_lock, flags);
737 return err;
738}
739
740
741int lx_pipe_start(struct lx6464es *chip, u32 pipe, int is_capture)
742{
743 int err;
744
745 err = lx_pipe_wait_for_idle(chip, pipe, is_capture);
746 if (err < 0)
747 return err;
748
749 err = lx_pipe_toggle_state(chip, pipe, is_capture);
750
751 return err;
752}
753
754int lx_pipe_pause(struct lx6464es *chip, u32 pipe, int is_capture)
755{
756 int err = 0;
757
758 err = lx_pipe_wait_for_start(chip, pipe, is_capture);
759 if (err < 0)
760 return err;
761
762 err = lx_pipe_toggle_state(chip, pipe, is_capture);
763
764 return err;
765}
766
767
768int lx_pipe_sample_count(struct lx6464es *chip, u32 pipe, int is_capture,
769 u64 *rsample_count)
770{
771 int err;
772 unsigned long flags;
773
774 u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
775
776 spin_lock_irqsave(&chip->msg_lock, flags);
777 lx_message_init(&chip->rmh, CMD_0A_GET_PIPE_SPL_COUNT);
778
779 chip->rmh.cmd[0] |= pipe_cmd;
780 chip->rmh.stat_len = 2; /* need all words here! */
781
782 err = lx_message_send_atomic(chip, &chip->rmh); /* don't sleep! */
783
784 if (err != 0)
785 snd_printk(KERN_ERR
786 "lx6464es: could not query pipe's sample count\n");
787 else {
788 *rsample_count = ((u64)(chip->rmh.stat[0] & MASK_SPL_COUNT_HI)
789 << 24) /* hi part */
790 + chip->rmh.stat[1]; /* lo part */
791 }
792
793 spin_unlock_irqrestore(&chip->msg_lock, flags);
794 return err;
795}
796
797int lx_pipe_state(struct lx6464es *chip, u32 pipe, int is_capture, u16 *rstate)
798{
799 int err;
800 unsigned long flags;
801
802 u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
803
804 spin_lock_irqsave(&chip->msg_lock, flags);
805 lx_message_init(&chip->rmh, CMD_0A_GET_PIPE_SPL_COUNT);
806
807 chip->rmh.cmd[0] |= pipe_cmd;
808
809 err = lx_message_send_atomic(chip, &chip->rmh);
810
811 if (err != 0)
812 snd_printk(KERN_ERR "lx6464es: could not query pipe's state\n");
813 else
814 *rstate = (chip->rmh.stat[0] >> PSTATE_OFFSET) & 0x0F;
815
816 spin_unlock_irqrestore(&chip->msg_lock, flags);
817 return err;
818}
819
820static int lx_pipe_wait_for_state(struct lx6464es *chip, u32 pipe,
821 int is_capture, u16 state)
822{
823 int i;
824
825 /* max 2*PCMOnlyGranularity = 2*1024 at 44100 = < 50 ms:
826 * timeout 50 ms */
827 for (i = 0; i != 50; ++i) {
828 u16 current_state;
829 int err = lx_pipe_state(chip, pipe, is_capture, &current_state);
830
831 if (err < 0)
832 return err;
833
834 if (current_state == state)
835 return 0;
836
837 mdelay(1);
838 }
839
840 return -ETIMEDOUT;
841}
842
843int lx_pipe_wait_for_start(struct lx6464es *chip, u32 pipe, int is_capture)
844{
845 return lx_pipe_wait_for_state(chip, pipe, is_capture, PSTATE_RUN);
846}
847
848int lx_pipe_wait_for_idle(struct lx6464es *chip, u32 pipe, int is_capture)
849{
850 return lx_pipe_wait_for_state(chip, pipe, is_capture, PSTATE_IDLE);
851}
852
853/* low-level stream handling */
854int lx_stream_set_state(struct lx6464es *chip, u32 pipe,
855 int is_capture, enum stream_state_t state)
856{
857 int err;
858 unsigned long flags;
859
860 u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
861
862 spin_lock_irqsave(&chip->msg_lock, flags);
863 lx_message_init(&chip->rmh, CMD_13_SET_STREAM_STATE);
864
865 chip->rmh.cmd[0] |= pipe_cmd;
866 chip->rmh.cmd[0] |= state;
867
868 err = lx_message_send_atomic(chip, &chip->rmh);
869 spin_unlock_irqrestore(&chip->msg_lock, flags);
870
871 return err;
872}
873
874int lx_stream_set_format(struct lx6464es *chip, struct snd_pcm_runtime *runtime,
875 u32 pipe, int is_capture)
876{
877 int err;
878 unsigned long flags;
879
880 u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
881
882 u32 channels = runtime->channels;
883
884 if (runtime->channels != channels)
885 snd_printk(KERN_ERR LXP "channel count mismatch: %d vs %d",
886 runtime->channels, channels);
887
888 spin_lock_irqsave(&chip->msg_lock, flags);
889 lx_message_init(&chip->rmh, CMD_0C_DEF_STREAM);
890
891 chip->rmh.cmd[0] |= pipe_cmd;
892
893 if (runtime->sample_bits == 16)
894 /* 16 bit format */
895 chip->rmh.cmd[0] |= (STREAM_FMT_16b << STREAM_FMT_OFFSET);
896
897 if (snd_pcm_format_little_endian(runtime->format))
898 /* little endian/intel format */
899 chip->rmh.cmd[0] |= (STREAM_FMT_intel << STREAM_FMT_OFFSET);
900
901 chip->rmh.cmd[0] |= channels-1;
902
903 err = lx_message_send_atomic(chip, &chip->rmh);
904 spin_unlock_irqrestore(&chip->msg_lock, flags);
905
906 return err;
907}
908
909int lx_stream_state(struct lx6464es *chip, u32 pipe, int is_capture,
910 int *rstate)
911{
912 int err;
913 unsigned long flags;
914
915 u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
916
917 spin_lock_irqsave(&chip->msg_lock, flags);
918 lx_message_init(&chip->rmh, CMD_0E_GET_STREAM_SPL_COUNT);
919
920 chip->rmh.cmd[0] |= pipe_cmd;
921
922 err = lx_message_send_atomic(chip, &chip->rmh);
923
924 *rstate = (chip->rmh.stat[0] & SF_START) ? START_STATE : PAUSE_STATE;
925
926 spin_unlock_irqrestore(&chip->msg_lock, flags);
927 return err;
928}
929
930int lx_stream_sample_position(struct lx6464es *chip, u32 pipe, int is_capture,
931 u64 *r_bytepos)
932{
933 int err;
934 unsigned long flags;
935
936 u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
937
938 spin_lock_irqsave(&chip->msg_lock, flags);
939 lx_message_init(&chip->rmh, CMD_0E_GET_STREAM_SPL_COUNT);
940
941 chip->rmh.cmd[0] |= pipe_cmd;
942
943 err = lx_message_send_atomic(chip, &chip->rmh);
944
945 *r_bytepos = ((u64) (chip->rmh.stat[0] & MASK_SPL_COUNT_HI)
946 << 32) /* hi part */
947 + chip->rmh.stat[1]; /* lo part */
948
949 spin_unlock_irqrestore(&chip->msg_lock, flags);
950 return err;
951}
952
953/* low-level buffer handling */
954int lx_buffer_give(struct lx6464es *chip, u32 pipe, int is_capture,
955 u32 buffer_size, u32 buf_address_lo, u32 buf_address_hi,
956 u32 *r_buffer_index)
957{
958 int err;
959 unsigned long flags;
960
961 u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
962
963 spin_lock_irqsave(&chip->msg_lock, flags);
964 lx_message_init(&chip->rmh, CMD_0F_UPDATE_BUFFER);
965
966 chip->rmh.cmd[0] |= pipe_cmd;
967 chip->rmh.cmd[0] |= BF_NOTIFY_EOB; /* request interrupt notification */
968
969 /* todo: pause request, circular buffer */
970
971 chip->rmh.cmd[1] = buffer_size & MASK_DATA_SIZE;
972 chip->rmh.cmd[2] = buf_address_lo;
973
974 if (buf_address_hi) {
975 chip->rmh.cmd_len = 4;
976 chip->rmh.cmd[3] = buf_address_hi;
977 chip->rmh.cmd[0] |= BF_64BITS_ADR;
978 }
979
980 err = lx_message_send_atomic(chip, &chip->rmh);
981
982 if (err == 0) {
983 *r_buffer_index = chip->rmh.stat[0];
984 goto done;
985 }
986
987 if (err == EB_RBUFFERS_TABLE_OVERFLOW)
988 snd_printk(LXP "lx_buffer_give EB_RBUFFERS_TABLE_OVERFLOW\n");
989
990 if (err == EB_INVALID_STREAM)
991 snd_printk(LXP "lx_buffer_give EB_INVALID_STREAM\n");
992
993 if (err == EB_CMD_REFUSED)
994 snd_printk(LXP "lx_buffer_give EB_CMD_REFUSED\n");
995
996 done:
997 spin_unlock_irqrestore(&chip->msg_lock, flags);
998 return err;
999}
1000
1001int lx_buffer_free(struct lx6464es *chip, u32 pipe, int is_capture,
1002 u32 *r_buffer_size)
1003{
1004 int err;
1005 unsigned long flags;
1006
1007 u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
1008
1009 spin_lock_irqsave(&chip->msg_lock, flags);
1010 lx_message_init(&chip->rmh, CMD_11_CANCEL_BUFFER);
1011
1012 chip->rmh.cmd[0] |= pipe_cmd;
1013 chip->rmh.cmd[0] |= MASK_BUFFER_ID; /* ask for the current buffer: the
1014 * microblaze will seek for it */
1015
1016 err = lx_message_send_atomic(chip, &chip->rmh);
1017
1018 if (err == 0)
1019 *r_buffer_size = chip->rmh.stat[0] & MASK_DATA_SIZE;
1020
1021 spin_unlock_irqrestore(&chip->msg_lock, flags);
1022 return err;
1023}
1024
1025int lx_buffer_cancel(struct lx6464es *chip, u32 pipe, int is_capture,
1026 u32 buffer_index)
1027{
1028 int err;
1029 unsigned long flags;
1030
1031 u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe);
1032
1033 spin_lock_irqsave(&chip->msg_lock, flags);
1034 lx_message_init(&chip->rmh, CMD_11_CANCEL_BUFFER);
1035
1036 chip->rmh.cmd[0] |= pipe_cmd;
1037 chip->rmh.cmd[0] |= buffer_index;
1038
1039 err = lx_message_send_atomic(chip, &chip->rmh);
1040
1041 spin_unlock_irqrestore(&chip->msg_lock, flags);
1042 return err;
1043}
1044
1045
1046/* low-level gain/peak handling
1047 *
1048 * \todo: can we unmute capture/playback channels independently?
1049 *
1050 * */
1051int lx_level_unmute(struct lx6464es *chip, int is_capture, int unmute)
1052{
1053 int err;
1054 unsigned long flags;
1055
1056 /* bit set to 1: channel muted */
1057 u64 mute_mask = unmute ? 0 : 0xFFFFFFFFFFFFFFFFLLU;
1058
1059 spin_lock_irqsave(&chip->msg_lock, flags);
1060 lx_message_init(&chip->rmh, CMD_0D_SET_MUTE);
1061
1062 chip->rmh.cmd[0] |= PIPE_INFO_TO_CMD(is_capture, 0);
1063
1064 chip->rmh.cmd[1] = (u32)(mute_mask >> (u64)32); /* hi part */
1065 chip->rmh.cmd[2] = (u32)(mute_mask & (u64)0xFFFFFFFF); /* lo part */
1066
1067 snd_printk("mute %x %x %x\n", chip->rmh.cmd[0], chip->rmh.cmd[1],
1068 chip->rmh.cmd[2]);
1069
1070 err = lx_message_send_atomic(chip, &chip->rmh);
1071
1072 spin_unlock_irqrestore(&chip->msg_lock, flags);
1073 return err;
1074}
1075
1076static u32 peak_map[] = {
1077 0x00000109, /* -90.308dB */
1078 0x0000083B, /* -72.247dB */
1079 0x000020C4, /* -60.205dB */
1080 0x00008273, /* -48.030dB */
1081 0x00020756, /* -36.005dB */
1082 0x00040C37, /* -30.001dB */
1083 0x00081385, /* -24.002dB */
1084 0x00101D3F, /* -18.000dB */
1085 0x0016C310, /* -15.000dB */
1086 0x002026F2, /* -12.001dB */
1087 0x002D6A86, /* -9.000dB */
1088 0x004026E6, /* -6.004dB */
1089 0x005A9DF6, /* -3.000dB */
1090 0x0065AC8B, /* -2.000dB */
1091 0x00721481, /* -1.000dB */
1092 0x007FFFFF, /* FS */
1093};
1094
1095int lx_level_peaks(struct lx6464es *chip, int is_capture, int channels,
1096 u32 *r_levels)
1097{
1098 int err = 0;
1099 unsigned long flags;
1100 int i;
1101 spin_lock_irqsave(&chip->msg_lock, flags);
1102
1103 for (i = 0; i < channels; i += 4) {
1104 u32 s0, s1, s2, s3;
1105
1106 lx_message_init(&chip->rmh, CMD_12_GET_PEAK);
1107 chip->rmh.cmd[0] |= PIPE_INFO_TO_CMD(is_capture, i);
1108
1109 err = lx_message_send_atomic(chip, &chip->rmh);
1110
1111 if (err == 0) {
1112 s0 = peak_map[chip->rmh.stat[0] & 0x0F];
1113 s1 = peak_map[(chip->rmh.stat[0] >> 4) & 0xf];
1114 s2 = peak_map[(chip->rmh.stat[0] >> 8) & 0xf];
1115 s3 = peak_map[(chip->rmh.stat[0] >> 12) & 0xf];
1116 } else
1117 s0 = s1 = s2 = s3 = 0;
1118
1119 r_levels[0] = s0;
1120 r_levels[1] = s1;
1121 r_levels[2] = s2;
1122 r_levels[3] = s3;
1123
1124 r_levels += 4;
1125 }
1126
1127 spin_unlock_irqrestore(&chip->msg_lock, flags);
1128 return err;
1129}
1130
1131/* interrupt handling */
1132#define PCX_IRQ_NONE 0
1133#define IRQCS_ACTIVE_PCIDB 0x00002000L /* Bit nø 13 */
1134#define IRQCS_ENABLE_PCIIRQ 0x00000100L /* Bit nø 08 */
1135#define IRQCS_ENABLE_PCIDB 0x00000200L /* Bit nø 09 */
1136
1137static u32 lx_interrupt_test_ack(struct lx6464es *chip)
1138{
1139 u32 irqcs = lx_plx_reg_read(chip, ePLX_IRQCS);
1140
1141 /* Test if PCI Doorbell interrupt is active */
1142 if (irqcs & IRQCS_ACTIVE_PCIDB) {
1143 u32 temp;
1144 irqcs = PCX_IRQ_NONE;
1145
1146 while ((temp = lx_plx_reg_read(chip, ePLX_L2PCIDB))) {
1147 /* RAZ interrupt */
1148 irqcs |= temp;
1149 lx_plx_reg_write(chip, ePLX_L2PCIDB, temp);
1150 }
1151
1152 return irqcs;
1153 }
1154 return PCX_IRQ_NONE;
1155}
1156
1157static int lx_interrupt_ack(struct lx6464es *chip, u32 *r_irqsrc,
1158 int *r_async_pending, int *r_async_escmd)
1159{
1160 u32 irq_async;
1161 u32 irqsrc = lx_interrupt_test_ack(chip);
1162
1163 if (irqsrc == PCX_IRQ_NONE)
1164 return 0;
1165
1166 *r_irqsrc = irqsrc;
1167
1168 irq_async = irqsrc & MASK_SYS_ASYNC_EVENTS; /* + EtherSound response
1169 * (set by xilinx) + EOB */
1170
1171 if (irq_async & MASK_SYS_STATUS_ESA) {
1172 irq_async &= ~MASK_SYS_STATUS_ESA;
1173 *r_async_escmd = 1;
1174 }
1175
1176 if (irqsrc & MASK_SYS_STATUS_CMD_DONE)
1177 /* xilinx command notification */
1178 atomic_set(&chip->send_message_locked, 0);
1179
1180 if (irq_async) {
1181 /* snd_printd("interrupt: async event pending\n"); */
1182 *r_async_pending = 1;
1183 }
1184
1185 return 1;
1186}
1187
1188static int lx_interrupt_handle_async_events(struct lx6464es *chip, u32 irqsrc,
1189 int *r_freq_changed,
1190 u64 *r_notified_in_pipe_mask,
1191 u64 *r_notified_out_pipe_mask)
1192{
1193 int err;
1194 u32 stat[9]; /* answer from CMD_04_GET_EVENT */
1195
1196 /* On peut optimiser pour ne pas lire les evenements vides
1197 * les mots de réponse sont dans l'ordre suivant :
1198 * Stat[0] mot de status général
1199 * Stat[1] fin de buffer OUT pF
1200 * Stat[2] fin de buffer OUT pf
1201 * Stat[3] fin de buffer IN pF
1202 * Stat[4] fin de buffer IN pf
1203 * Stat[5] underrun poid fort
1204 * Stat[6] underrun poid faible
1205 * Stat[7] overrun poid fort
1206 * Stat[8] overrun poid faible
1207 * */
1208
1209 u64 orun_mask;
1210 u64 urun_mask;
1211#if 0
1212 int has_underrun = (irqsrc & MASK_SYS_STATUS_URUN) ? 1 : 0;
1213 int has_overrun = (irqsrc & MASK_SYS_STATUS_ORUN) ? 1 : 0;
1214#endif
1215 int eb_pending_out = (irqsrc & MASK_SYS_STATUS_EOBO) ? 1 : 0;
1216 int eb_pending_in = (irqsrc & MASK_SYS_STATUS_EOBI) ? 1 : 0;
1217
1218 *r_freq_changed = (irqsrc & MASK_SYS_STATUS_FREQ) ? 1 : 0;
1219
1220 err = lx_dsp_read_async_events(chip, stat);
1221 if (err < 0)
1222 return err;
1223
1224 if (eb_pending_in) {
1225 *r_notified_in_pipe_mask = ((u64)stat[3] << 32)
1226 + stat[4];
1227 snd_printdd(LXP "interrupt: EOBI pending %llx\n",
1228 *r_notified_in_pipe_mask);
1229 }
1230 if (eb_pending_out) {
1231 *r_notified_out_pipe_mask = ((u64)stat[1] << 32)
1232 + stat[2];
1233 snd_printdd(LXP "interrupt: EOBO pending %llx\n",
1234 *r_notified_out_pipe_mask);
1235 }
1236
1237 orun_mask = ((u64)stat[7] << 32) + stat[8];
1238 urun_mask = ((u64)stat[5] << 32) + stat[6];
1239
1240 /* todo: handle xrun notification */
1241
1242 return err;
1243}
1244
1245static int lx_interrupt_request_new_buffer(struct lx6464es *chip,
1246 struct lx_stream *lx_stream)
1247{
1248 struct snd_pcm_substream *substream = lx_stream->stream;
1249 int is_capture = lx_stream->is_capture;
1250 int err;
1251 unsigned long flags;
1252
1253 const u32 channels = substream->runtime->channels;
1254 const u32 bytes_per_frame = channels * 3;
1255 const u32 period_size = substream->runtime->period_size;
1256 const u32 period_bytes = period_size * bytes_per_frame;
1257 const u32 pos = lx_stream->frame_pos;
1258 const u32 next_pos = ((pos+1) == substream->runtime->periods) ?
1259 0 : pos + 1;
1260
1261 dma_addr_t buf = substream->dma_buffer.addr + pos * period_bytes;
1262 u32 buf_hi = 0;
1263 u32 buf_lo = 0;
1264 u32 buffer_index = 0;
1265
1266 u32 needed, freed;
1267 u32 size_array[MAX_STREAM_BUFFER];
1268
1269 snd_printdd("->lx_interrupt_request_new_buffer\n");
1270
1271 spin_lock_irqsave(&chip->lock, flags);
1272
1273 err = lx_buffer_ask(chip, 0, is_capture, &needed, &freed, size_array);
1274 snd_printdd(LXP "interrupt: needed %d, freed %d\n", needed, freed);
1275
1276 unpack_pointer(buf, &buf_lo, &buf_hi);
1277 err = lx_buffer_give(chip, 0, is_capture, period_bytes, buf_lo, buf_hi,
1278 &buffer_index);
1279 snd_printdd(LXP "interrupt: gave buffer index %x on %p (%d bytes)\n",
1280 buffer_index, (void *)buf, period_bytes);
1281
1282 lx_stream->frame_pos = next_pos;
1283 spin_unlock_irqrestore(&chip->lock, flags);
1284
1285 return err;
1286}
1287
1288void lx_tasklet_playback(unsigned long data)
1289{
1290 struct lx6464es *chip = (struct lx6464es *)data;
1291 struct lx_stream *lx_stream = &chip->playback_stream;
1292 int err;
1293
1294 snd_printdd("->lx_tasklet_playback\n");
1295
1296 err = lx_interrupt_request_new_buffer(chip, lx_stream);
1297 if (err < 0)
1298 snd_printk(KERN_ERR LXP
1299 "cannot request new buffer for playback\n");
1300
1301 snd_pcm_period_elapsed(lx_stream->stream);
1302}
1303
1304void lx_tasklet_capture(unsigned long data)
1305{
1306 struct lx6464es *chip = (struct lx6464es *)data;
1307 struct lx_stream *lx_stream = &chip->capture_stream;
1308 int err;
1309
1310 snd_printdd("->lx_tasklet_capture\n");
1311 err = lx_interrupt_request_new_buffer(chip, lx_stream);
1312 if (err < 0)
1313 snd_printk(KERN_ERR LXP
1314 "cannot request new buffer for capture\n");
1315
1316 snd_pcm_period_elapsed(lx_stream->stream);
1317}
1318
1319
1320
1321static int lx_interrupt_handle_audio_transfer(struct lx6464es *chip,
1322 u64 notified_in_pipe_mask,
1323 u64 notified_out_pipe_mask)
1324{
1325 int err = 0;
1326
1327 if (notified_in_pipe_mask) {
1328 snd_printdd(LXP "requesting audio transfer for capture\n");
1329 tasklet_hi_schedule(&chip->tasklet_capture);
1330 }
1331
1332 if (notified_out_pipe_mask) {
1333 snd_printdd(LXP "requesting audio transfer for playback\n");
1334 tasklet_hi_schedule(&chip->tasklet_playback);
1335 }
1336
1337 return err;
1338}
1339
1340
1341irqreturn_t lx_interrupt(int irq, void *dev_id)
1342{
1343 struct lx6464es *chip = dev_id;
1344 int async_pending, async_escmd;
1345 u32 irqsrc;
1346
1347 spin_lock(&chip->lock);
1348
1349 snd_printdd("**************************************************\n");
1350
1351 if (!lx_interrupt_ack(chip, &irqsrc, &async_pending, &async_escmd)) {
1352 spin_unlock(&chip->lock);
1353 snd_printdd("IRQ_NONE\n");
1354 return IRQ_NONE; /* this device did not cause the interrupt */
1355 }
1356
1357 if (irqsrc & MASK_SYS_STATUS_CMD_DONE)
1358 goto exit;
1359
1360#if 0
1361 if (irqsrc & MASK_SYS_STATUS_EOBI)
1362 snd_printdd(LXP "interrupt: EOBI\n");
1363
1364 if (irqsrc & MASK_SYS_STATUS_EOBO)
1365 snd_printdd(LXP "interrupt: EOBO\n");
1366
1367 if (irqsrc & MASK_SYS_STATUS_URUN)
1368 snd_printdd(LXP "interrupt: URUN\n");
1369
1370 if (irqsrc & MASK_SYS_STATUS_ORUN)
1371 snd_printdd(LXP "interrupt: ORUN\n");
1372#endif
1373
1374 if (async_pending) {
1375 u64 notified_in_pipe_mask = 0;
1376 u64 notified_out_pipe_mask = 0;
1377 int freq_changed;
1378 int err;
1379
1380 /* handle async events */
1381 err = lx_interrupt_handle_async_events(chip, irqsrc,
1382 &freq_changed,
1383 &notified_in_pipe_mask,
1384 &notified_out_pipe_mask);
1385 if (err)
1386 snd_printk(KERN_ERR LXP
1387 "error handling async events\n");
1388
1389 err = lx_interrupt_handle_audio_transfer(chip,
1390 notified_in_pipe_mask,
1391 notified_out_pipe_mask
1392 );
1393 if (err)
1394 snd_printk(KERN_ERR LXP
1395 "error during audio transfer\n");
1396 }
1397
1398 if (async_escmd) {
1399#if 0
1400 /* backdoor for ethersound commands
1401 *
1402 * for now, we do not need this
1403 *
1404 * */
1405
1406 snd_printdd("lx6464es: interrupt requests escmd handling\n");
1407#endif
1408 }
1409
1410exit:
1411 spin_unlock(&chip->lock);
1412 return IRQ_HANDLED; /* this device caused the interrupt */
1413}
1414
1415
1416static void lx_irq_set(struct lx6464es *chip, int enable)
1417{
1418 u32 reg = lx_plx_reg_read(chip, ePLX_IRQCS);
1419
1420 /* enable/disable interrupts
1421 *
1422 * Set the Doorbell and PCI interrupt enable bits
1423 *
1424 * */
1425 if (enable)
1426 reg |= (IRQCS_ENABLE_PCIIRQ | IRQCS_ENABLE_PCIDB);
1427 else
1428 reg &= ~(IRQCS_ENABLE_PCIIRQ | IRQCS_ENABLE_PCIDB);
1429 lx_plx_reg_write(chip, ePLX_IRQCS, reg);
1430}
1431
1432void lx_irq_enable(struct lx6464es *chip)
1433{
1434 snd_printdd("->lx_irq_enable\n");
1435 lx_irq_set(chip, 1);
1436}
1437
1438void lx_irq_disable(struct lx6464es *chip)
1439{
1440 snd_printdd("->lx_irq_disable\n");
1441 lx_irq_set(chip, 0);
1442}
diff --git a/sound/pci/lx6464es/lx_core.h b/sound/pci/lx6464es/lx_core.h
new file mode 100644
index 000000000000..6bd9cbbbc68d
--- /dev/null
+++ b/sound/pci/lx6464es/lx_core.h
@@ -0,0 +1,242 @@
1/* -*- linux-c -*- *
2 *
3 * ALSA driver for the digigram lx6464es interface
4 * low-level interface
5 *
6 * Copyright (c) 2009 Tim Blechmann <tim@klingt.org>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; see the file COPYING. If not, write to
20 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 * Boston, MA 02111-1307, USA.
22 *
23 */
24
25#ifndef LX_CORE_H
26#define LX_CORE_H
27
28#include <linux/interrupt.h>
29
30#include "lx_defs.h"
31
32#define REG_CRM_NUMBER 12
33
34struct lx6464es;
35
36/* low-level register access */
37
38/* dsp register access */
39enum {
40 eReg_BASE,
41 eReg_CSM,
42 eReg_CRM1,
43 eReg_CRM2,
44 eReg_CRM3,
45 eReg_CRM4,
46 eReg_CRM5,
47 eReg_CRM6,
48 eReg_CRM7,
49 eReg_CRM8,
50 eReg_CRM9,
51 eReg_CRM10,
52 eReg_CRM11,
53 eReg_CRM12,
54
55 eReg_ICR,
56 eReg_CVR,
57 eReg_ISR,
58 eReg_RXHTXH,
59 eReg_RXMTXM,
60 eReg_RHLTXL,
61 eReg_RESETDSP,
62
63 eReg_CSUF,
64 eReg_CSES,
65 eReg_CRESMSB,
66 eReg_CRESLSB,
67 eReg_ADMACESMSB,
68 eReg_ADMACESLSB,
69 eReg_CONFES,
70
71 eMaxPortLx
72};
73
74unsigned long lx_dsp_reg_read(struct lx6464es *chip, int port);
75void lx_dsp_reg_readbuf(struct lx6464es *chip, int port, u32 *data, u32 len);
76void lx_dsp_reg_write(struct lx6464es *chip, int port, unsigned data);
77void lx_dsp_reg_writebuf(struct lx6464es *chip, int port, const u32 *data,
78 u32 len);
79
80/* plx register access */
81enum {
82 ePLX_PCICR,
83
84 ePLX_MBOX0,
85 ePLX_MBOX1,
86 ePLX_MBOX2,
87 ePLX_MBOX3,
88 ePLX_MBOX4,
89 ePLX_MBOX5,
90 ePLX_MBOX6,
91 ePLX_MBOX7,
92
93 ePLX_L2PCIDB,
94 ePLX_IRQCS,
95 ePLX_CHIPSC,
96
97 eMaxPort
98};
99
100unsigned long lx_plx_reg_read(struct lx6464es *chip, int port);
101void lx_plx_reg_write(struct lx6464es *chip, int port, u32 data);
102
103/* rhm */
104struct lx_rmh {
105 u16 cmd_len; /* length of the command to send (WORDs) */
106 u16 stat_len; /* length of the status received (WORDs) */
107 u16 dsp_stat; /* status type, RMP_SSIZE_XXX */
108 u16 cmd_idx; /* index of the command */
109 u32 cmd[REG_CRM_NUMBER];
110 u32 stat[REG_CRM_NUMBER];
111};
112
113
114/* low-level dsp access */
115int __devinit lx_dsp_get_version(struct lx6464es *chip, u32 *rdsp_version);
116int lx_dsp_get_clock_frequency(struct lx6464es *chip, u32 *rfreq);
117int lx_dsp_set_granularity(struct lx6464es *chip, u32 gran);
118int lx_dsp_read_async_events(struct lx6464es *chip, u32 *data);
119int lx_dsp_get_mac(struct lx6464es *chip, u8 *mac_address);
120
121
122/* low-level pipe handling */
123int lx_pipe_allocate(struct lx6464es *chip, u32 pipe, int is_capture,
124 int channels);
125int lx_pipe_release(struct lx6464es *chip, u32 pipe, int is_capture);
126int lx_pipe_sample_count(struct lx6464es *chip, u32 pipe, int is_capture,
127 u64 *rsample_count);
128int lx_pipe_state(struct lx6464es *chip, u32 pipe, int is_capture, u16 *rstate);
129int lx_pipe_stop(struct lx6464es *chip, u32 pipe, int is_capture);
130int lx_pipe_start(struct lx6464es *chip, u32 pipe, int is_capture);
131int lx_pipe_pause(struct lx6464es *chip, u32 pipe, int is_capture);
132
133int lx_pipe_wait_for_start(struct lx6464es *chip, u32 pipe, int is_capture);
134int lx_pipe_wait_for_idle(struct lx6464es *chip, u32 pipe, int is_capture);
135
136/* low-level stream handling */
137int lx_stream_set_format(struct lx6464es *chip, struct snd_pcm_runtime *runtime,
138 u32 pipe, int is_capture);
139int lx_stream_state(struct lx6464es *chip, u32 pipe, int is_capture,
140 int *rstate);
141int lx_stream_sample_position(struct lx6464es *chip, u32 pipe, int is_capture,
142 u64 *r_bytepos);
143
144int lx_stream_set_state(struct lx6464es *chip, u32 pipe,
145 int is_capture, enum stream_state_t state);
146
147static inline int lx_stream_start(struct lx6464es *chip, u32 pipe,
148 int is_capture)
149{
150 snd_printdd("->lx_stream_start\n");
151 return lx_stream_set_state(chip, pipe, is_capture, SSTATE_RUN);
152}
153
154static inline int lx_stream_pause(struct lx6464es *chip, u32 pipe,
155 int is_capture)
156{
157 snd_printdd("->lx_stream_pause\n");
158 return lx_stream_set_state(chip, pipe, is_capture, SSTATE_PAUSE);
159}
160
161static inline int lx_stream_stop(struct lx6464es *chip, u32 pipe,
162 int is_capture)
163{
164 snd_printdd("->lx_stream_stop\n");
165 return lx_stream_set_state(chip, pipe, is_capture, SSTATE_STOP);
166}
167
168/* low-level buffer handling */
169int lx_buffer_ask(struct lx6464es *chip, u32 pipe, int is_capture,
170 u32 *r_needed, u32 *r_freed, u32 *size_array);
171int lx_buffer_give(struct lx6464es *chip, u32 pipe, int is_capture,
172 u32 buffer_size, u32 buf_address_lo, u32 buf_address_hi,
173 u32 *r_buffer_index);
174int lx_buffer_free(struct lx6464es *chip, u32 pipe, int is_capture,
175 u32 *r_buffer_size);
176int lx_buffer_cancel(struct lx6464es *chip, u32 pipe, int is_capture,
177 u32 buffer_index);
178
179/* low-level gain/peak handling */
180int lx_level_unmute(struct lx6464es *chip, int is_capture, int unmute);
181int lx_level_peaks(struct lx6464es *chip, int is_capture, int channels,
182 u32 *r_levels);
183
184
185/* interrupt handling */
186irqreturn_t lx_interrupt(int irq, void *dev_id);
187void lx_irq_enable(struct lx6464es *chip);
188void lx_irq_disable(struct lx6464es *chip);
189
190void lx_tasklet_capture(unsigned long data);
191void lx_tasklet_playback(unsigned long data);
192
193
194/* Stream Format Header Defines (for LIN and IEEE754) */
195#define HEADER_FMT_BASE HEADER_FMT_BASE_LIN
196#define HEADER_FMT_BASE_LIN 0xFED00000
197#define HEADER_FMT_BASE_FLOAT 0xFAD00000
198#define HEADER_FMT_MONO 0x00000080 /* bit 23 in header_lo. WARNING: old
199 * bit 22 is ignored in float
200 * format */
201#define HEADER_FMT_INTEL 0x00008000
202#define HEADER_FMT_16BITS 0x00002000
203#define HEADER_FMT_24BITS 0x00004000
204#define HEADER_FMT_UPTO11 0x00000200 /* frequency is less or equ. to 11k.
205 * */
206#define HEADER_FMT_UPTO32 0x00000100 /* frequency is over 11k and less
207 * then 32k.*/
208
209
210#define BIT_FMP_HEADER 23
211#define BIT_FMP_SD 22
212#define BIT_FMP_MULTICHANNEL 19
213
214#define START_STATE 1
215#define PAUSE_STATE 0
216
217
218
219
220
221/* from PcxAll_e.h */
222/* Start/Pause condition for pipes (PCXStartPipe, PCXPausePipe) */
223#define START_PAUSE_IMMEDIATE 0
224#define START_PAUSE_ON_SYNCHRO 1
225#define START_PAUSE_ON_TIME_CODE 2
226
227
228/* Pipe / Stream state */
229#define START_STATE 1
230#define PAUSE_STATE 0
231
232static inline void unpack_pointer(dma_addr_t ptr, u32 *r_low, u32 *r_high)
233{
234 *r_low = (u32)(ptr & 0xffffffff);
235#if BITS_PER_LONG == 32
236 *r_high = 0;
237#else
238 *r_high = (u32)((u64)ptr>>32);
239#endif
240}
241
242#endif /* LX_CORE_H */
diff --git a/sound/pci/lx6464es/lx_defs.h b/sound/pci/lx6464es/lx_defs.h
new file mode 100644
index 000000000000..49d36bdd512c
--- /dev/null
+++ b/sound/pci/lx6464es/lx_defs.h
@@ -0,0 +1,376 @@
1/* -*- linux-c -*- *
2 *
3 * ALSA driver for the digigram lx6464es interface
4 * adapted upstream headers
5 *
6 * Copyright (c) 2009 Tim Blechmann <tim@klingt.org>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; see the file COPYING. If not, write to
20 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 * Boston, MA 02111-1307, USA.
22 *
23 */
24
25#ifndef LX_DEFS_H
26#define LX_DEFS_H
27
28/* code adapted from ethersound.h */
29#define XES_FREQ_COUNT8_MASK 0x00001FFF /* compteur 25MHz entre 8 ech. */
30#define XES_FREQ_COUNT8_44_MIN 0x00001288 /* 25M /
31 * [ 44k - ( 44.1k + 48k ) / 2 ]
32 * * 8 */
33#define XES_FREQ_COUNT8_44_MAX 0x000010F0 /* 25M / [ ( 44.1k + 48k ) / 2 ]
34 * * 8 */
35#define XES_FREQ_COUNT8_48_MAX 0x00000F08 /* 25M /
36 * [ 48k + ( 44.1k + 48k ) / 2 ]
37 * * 8 */
38
39/* code adapted from LXES_registers.h */
40
41#define IOCR_OUTPUTS_OFFSET 0 /* (rw) offset for the number of OUTs in the
42 * ConfES register. */
43#define IOCR_INPUTS_OFFSET 8 /* (rw) offset for the number of INs in the
44 * ConfES register. */
45#define FREQ_RATIO_OFFSET 19 /* (rw) offset for frequency ratio in the
46 * ConfES register. */
47#define FREQ_RATIO_SINGLE_MODE 0x01 /* value for single mode frequency ratio:
48 * sample rate = frequency rate. */
49
50#define CONFES_READ_PART_MASK 0x00070000
51#define CONFES_WRITE_PART_MASK 0x00F80000
52
53/* code adapted from if_drv_mb.h */
54
55#define MASK_SYS_STATUS_ERROR (1L << 31) /* events that lead to a PCI irq if
56 * not yet pending */
57#define MASK_SYS_STATUS_URUN (1L << 30)
58#define MASK_SYS_STATUS_ORUN (1L << 29)
59#define MASK_SYS_STATUS_EOBO (1L << 28)
60#define MASK_SYS_STATUS_EOBI (1L << 27)
61#define MASK_SYS_STATUS_FREQ (1L << 26)
62#define MASK_SYS_STATUS_ESA (1L << 25) /* reserved, this is set by the
63 * XES */
64#define MASK_SYS_STATUS_TIMER (1L << 24)
65
66#define MASK_SYS_ASYNC_EVENTS (MASK_SYS_STATUS_ERROR | \
67 MASK_SYS_STATUS_URUN | \
68 MASK_SYS_STATUS_ORUN | \
69 MASK_SYS_STATUS_EOBO | \
70 MASK_SYS_STATUS_EOBI | \
71 MASK_SYS_STATUS_FREQ | \
72 MASK_SYS_STATUS_ESA)
73
74#define MASK_SYS_PCI_EVENTS (MASK_SYS_ASYNC_EVENTS | \
75 MASK_SYS_STATUS_TIMER)
76
77#define MASK_SYS_TIMER_COUNT 0x0000FFFF
78
79#define MASK_SYS_STATUS_EOT_PLX (1L << 22) /* event that remains
80 * internal: reserved fo end
81 * of plx dma */
82#define MASK_SYS_STATUS_XES (1L << 21) /* event that remains
83 * internal: pending XES
84 * IRQ */
85#define MASK_SYS_STATUS_CMD_DONE (1L << 20) /* alternate command
86 * management: notify driver
87 * instead of polling */
88
89
90#define MAX_STREAM_BUFFER 5 /* max amount of stream buffers. */
91
92#define MICROBLAZE_IBL_MIN 32
93#define MICROBLAZE_IBL_DEFAULT 128
94#define MICROBLAZE_IBL_MAX 512
95/* #define MASK_GRANULARITY (2*MICROBLAZE_IBL_MAX-1) */
96
97
98
99/* command opcodes, see reference for details */
100
101/*
102 the capture bit position in the object_id field in driver commands
103 depends upon the number of managed channels. For now, 64 IN + 64 OUT are
104 supported. HOwever, the communication protocol forsees 1024 channels, hence
105 bit 10 indicates a capture (input) object).
106*/
107#define ID_IS_CAPTURE (1L << 10)
108#define ID_OFFSET 13 /* object ID is at the 13th bit in the
109 * 1st command word.*/
110#define ID_CH_MASK 0x3F
111#define OPCODE_OFFSET 24 /* offset of the command opcode in the first
112 * command word.*/
113
114enum cmd_mb_opcodes {
115 CMD_00_INFO_DEBUG = 0x00,
116 CMD_01_GET_SYS_CFG = 0x01,
117 CMD_02_SET_GRANULARITY = 0x02,
118 CMD_03_SET_TIMER_IRQ = 0x03,
119 CMD_04_GET_EVENT = 0x04,
120 CMD_05_GET_PIPES = 0x05,
121
122 CMD_06_ALLOCATE_PIPE = 0x06,
123 CMD_07_RELEASE_PIPE = 0x07,
124 CMD_08_ASK_BUFFERS = 0x08,
125 CMD_09_STOP_PIPE = 0x09,
126 CMD_0A_GET_PIPE_SPL_COUNT = 0x0a,
127 CMD_0B_TOGGLE_PIPE_STATE = 0x0b,
128
129 CMD_0C_DEF_STREAM = 0x0c,
130 CMD_0D_SET_MUTE = 0x0d,
131 CMD_0E_GET_STREAM_SPL_COUNT = 0x0e,
132 CMD_0F_UPDATE_BUFFER = 0x0f,
133 CMD_10_GET_BUFFER = 0x10,
134 CMD_11_CANCEL_BUFFER = 0x11,
135 CMD_12_GET_PEAK = 0x12,
136 CMD_13_SET_STREAM_STATE = 0x13,
137 CMD_14_INVALID = 0x14,
138};
139
140/* pipe states */
141enum pipe_state_t {
142 PSTATE_IDLE = 0, /* the pipe is not processed in the XES_IRQ
143 * (free or stopped, or paused). */
144 PSTATE_RUN = 1, /* sustained play/record state. */
145 PSTATE_PURGE = 2, /* the ES channels are now off, render pipes do
146 * not DMA, record pipe do a last DMA. */
147 PSTATE_ACQUIRE = 3, /* the ES channels are now on, render pipes do
148 * not yet increase their sample count, record
149 * pipes do not DMA. */
150 PSTATE_CLOSING = 4, /* the pipe is releasing, and may not yet
151 * receive an "alloc" command. */
152};
153
154/* stream states */
155enum stream_state_t {
156 SSTATE_STOP = 0x00, /* setting to stop resets the stream spl
157 * count.*/
158 SSTATE_RUN = (0x01 << 0), /* start DMA and spl count handling. */
159 SSTATE_PAUSE = (0x01 << 1), /* pause DMA and spl count handling. */
160};
161
162/* buffer flags */
163enum buffer_flags {
164 BF_VALID = 0x80, /* set if the buffer is valid, clear if free.*/
165 BF_CURRENT = 0x40, /* set if this is the current buffer (there is
166 * always a current buffer).*/
167 BF_NOTIFY_EOB = 0x20, /* set if this buffer must cause a PCI event
168 * when finished.*/
169 BF_CIRCULAR = 0x10, /* set if buffer[1] must be copied to buffer[0]
170 * by the end of this buffer.*/
171 BF_64BITS_ADR = 0x08, /* set if the hi part of the address is valid.*/
172 BF_xx = 0x04, /* future extension.*/
173 BF_EOB = 0x02, /* set if finished, but not yet free.*/
174 BF_PAUSE = 0x01, /* pause stream at buffer end.*/
175 BF_ZERO = 0x00, /* no flags (init).*/
176};
177
178/**
179* Stream Flags definitions
180*/
181enum stream_flags {
182 SF_ZERO = 0x00000000, /* no flags (stream invalid). */
183 SF_VALID = 0x10000000, /* the stream has a valid DMA_conf
184 * info (setstreamformat). */
185 SF_XRUN = 0x20000000, /* the stream is un x-run state. */
186 SF_START = 0x40000000, /* the DMA is running.*/
187 SF_ASIO = 0x80000000, /* ASIO.*/
188};
189
190
191#define MASK_SPL_COUNT_HI 0x00FFFFFF /* 4 MSBits are status bits */
192#define PSTATE_OFFSET 28 /* 4 MSBits are status bits */
193
194
195#define MASK_STREAM_HAS_MAPPING (1L << 12)
196#define MASK_STREAM_IS_ASIO (1L << 9)
197#define STREAM_FMT_OFFSET 10 /* the stream fmt bits start at the 10th
198 * bit in the command word. */
199
200#define STREAM_FMT_16b 0x02
201#define STREAM_FMT_intel 0x01
202
203#define FREQ_FIELD_OFFSET 15 /* offset of the freq field in the response
204 * word */
205
206#define BUFF_FLAGS_OFFSET 24 /* offset of the buffer flags in the
207 * response word. */
208#define MASK_DATA_SIZE 0x00FFFFFF /* this must match the field size of
209 * datasize in the buffer_t structure. */
210
211#define MASK_BUFFER_ID 0xFF /* the cancel command awaits a buffer ID,
212 * may be 0xFF for "current". */
213
214
215/* code adapted from PcxErr_e.h */
216
217/* Bits masks */
218
219#define ERROR_MASK 0x8000
220
221#define SOURCE_MASK 0x7800
222
223#define E_SOURCE_BOARD 0x4000 /* 8 >> 1 */
224#define E_SOURCE_DRV 0x2000 /* 4 >> 1 */
225#define E_SOURCE_API 0x1000 /* 2 >> 1 */
226/* Error tools */
227#define E_SOURCE_TOOLS 0x0800 /* 1 >> 1 */
228/* Error pcxaudio */
229#define E_SOURCE_AUDIO 0x1800 /* 3 >> 1 */
230/* Error virtual pcx */
231#define E_SOURCE_VPCX 0x2800 /* 5 >> 1 */
232/* Error dispatcher */
233#define E_SOURCE_DISPATCHER 0x3000 /* 6 >> 1 */
234/* Error from CobraNet firmware */
235#define E_SOURCE_COBRANET 0x3800 /* 7 >> 1 */
236
237#define E_SOURCE_USER 0x7800
238
239#define CLASS_MASK 0x0700
240
241#define CODE_MASK 0x00FF
242
243/* Bits values */
244
245/* Values for the error/warning bit */
246#define ERROR_VALUE 0x8000
247#define WARNING_VALUE 0x0000
248
249/* Class values */
250#define E_CLASS_GENERAL 0x0000
251#define E_CLASS_INVALID_CMD 0x0100
252#define E_CLASS_INVALID_STD_OBJECT 0x0200
253#define E_CLASS_RSRC_IMPOSSIBLE 0x0300
254#define E_CLASS_WRONG_CONTEXT 0x0400
255#define E_CLASS_BAD_SPECIFIC_PARAMETER 0x0500
256#define E_CLASS_REAL_TIME_ERROR 0x0600
257#define E_CLASS_DIRECTSHOW 0x0700
258#define E_CLASS_FREE 0x0700
259
260
261/* Complete DRV error code for the general class */
262#define ED_GN (ERROR_VALUE | E_SOURCE_DRV | E_CLASS_GENERAL)
263#define ED_CONCURRENCY (ED_GN | 0x01)
264#define ED_DSP_CRASHED (ED_GN | 0x02)
265#define ED_UNKNOWN_BOARD (ED_GN | 0x03)
266#define ED_NOT_INSTALLED (ED_GN | 0x04)
267#define ED_CANNOT_OPEN_SVC_MANAGER (ED_GN | 0x05)
268#define ED_CANNOT_READ_REGISTRY (ED_GN | 0x06)
269#define ED_DSP_VERSION_MISMATCH (ED_GN | 0x07)
270#define ED_UNAVAILABLE_FEATURE (ED_GN | 0x08)
271#define ED_CANCELLED (ED_GN | 0x09)
272#define ED_NO_RESPONSE_AT_IRQA (ED_GN | 0x10)
273#define ED_INVALID_ADDRESS (ED_GN | 0x11)
274#define ED_DSP_CORRUPTED (ED_GN | 0x12)
275#define ED_PENDING_OPERATION (ED_GN | 0x13)
276#define ED_NET_ALLOCATE_MEMORY_IMPOSSIBLE (ED_GN | 0x14)
277#define ED_NET_REGISTER_ERROR (ED_GN | 0x15)
278#define ED_NET_THREAD_ERROR (ED_GN | 0x16)
279#define ED_NET_OPEN_ERROR (ED_GN | 0x17)
280#define ED_NET_CLOSE_ERROR (ED_GN | 0x18)
281#define ED_NET_NO_MORE_PACKET (ED_GN | 0x19)
282#define ED_NET_NO_MORE_BUFFER (ED_GN | 0x1A)
283#define ED_NET_SEND_ERROR (ED_GN | 0x1B)
284#define ED_NET_RECEIVE_ERROR (ED_GN | 0x1C)
285#define ED_NET_WRONG_MSG_SIZE (ED_GN | 0x1D)
286#define ED_NET_WAIT_ERROR (ED_GN | 0x1E)
287#define ED_NET_EEPROM_ERROR (ED_GN | 0x1F)
288#define ED_INVALID_RS232_COM_NUMBER (ED_GN | 0x20)
289#define ED_INVALID_RS232_INIT (ED_GN | 0x21)
290#define ED_FILE_ERROR (ED_GN | 0x22)
291#define ED_INVALID_GPIO_CMD (ED_GN | 0x23)
292#define ED_RS232_ALREADY_OPENED (ED_GN | 0x24)
293#define ED_RS232_NOT_OPENED (ED_GN | 0x25)
294#define ED_GPIO_ALREADY_OPENED (ED_GN | 0x26)
295#define ED_GPIO_NOT_OPENED (ED_GN | 0x27)
296#define ED_REGISTRY_ERROR (ED_GN | 0x28) /* <- NCX */
297#define ED_INVALID_SERVICE (ED_GN | 0x29) /* <- NCX */
298
299#define ED_READ_FILE_ALREADY_OPENED (ED_GN | 0x2a) /* <- Decalage
300 * pour RCX
301 * (old 0x28)
302 * */
303#define ED_READ_FILE_INVALID_COMMAND (ED_GN | 0x2b) /* ~ */
304#define ED_READ_FILE_INVALID_PARAMETER (ED_GN | 0x2c) /* ~ */
305#define ED_READ_FILE_ALREADY_CLOSED (ED_GN | 0x2d) /* ~ */
306#define ED_READ_FILE_NO_INFORMATION (ED_GN | 0x2e) /* ~ */
307#define ED_READ_FILE_INVALID_HANDLE (ED_GN | 0x2f) /* ~ */
308#define ED_READ_FILE_END_OF_FILE (ED_GN | 0x30) /* ~ */
309#define ED_READ_FILE_ERROR (ED_GN | 0x31) /* ~ */
310
311#define ED_DSP_CRASHED_EXC_DSPSTACK_OVERFLOW (ED_GN | 0x32) /* <- Decalage pour
312 * PCX (old 0x14) */
313#define ED_DSP_CRASHED_EXC_SYSSTACK_OVERFLOW (ED_GN | 0x33) /* ~ */
314#define ED_DSP_CRASHED_EXC_ILLEGAL (ED_GN | 0x34) /* ~ */
315#define ED_DSP_CRASHED_EXC_TIMER_REENTRY (ED_GN | 0x35) /* ~ */
316#define ED_DSP_CRASHED_EXC_FATAL_ERROR (ED_GN | 0x36) /* ~ */
317
318#define ED_FLASH_PCCARD_NOT_PRESENT (ED_GN | 0x37)
319
320#define ED_NO_CURRENT_CLOCK (ED_GN | 0x38)
321
322/* Complete DRV error code for real time class */
323#define ED_RT (ERROR_VALUE | E_SOURCE_DRV | E_CLASS_REAL_TIME_ERROR)
324#define ED_DSP_TIMED_OUT (ED_RT | 0x01)
325#define ED_DSP_CHK_TIMED_OUT (ED_RT | 0x02)
326#define ED_STREAM_OVERRUN (ED_RT | 0x03)
327#define ED_DSP_BUSY (ED_RT | 0x04)
328#define ED_DSP_SEMAPHORE_TIME_OUT (ED_RT | 0x05)
329#define ED_BOARD_TIME_OUT (ED_RT | 0x06)
330#define ED_XILINX_ERROR (ED_RT | 0x07)
331#define ED_COBRANET_ITF_NOT_RESPONDING (ED_RT | 0x08)
332
333/* Complete BOARD error code for the invaid standard object class */
334#define EB_ISO (ERROR_VALUE | E_SOURCE_BOARD | \
335 E_CLASS_INVALID_STD_OBJECT)
336#define EB_INVALID_EFFECT (EB_ISO | 0x00)
337#define EB_INVALID_PIPE (EB_ISO | 0x40)
338#define EB_INVALID_STREAM (EB_ISO | 0x80)
339#define EB_INVALID_AUDIO (EB_ISO | 0xC0)
340
341/* Complete BOARD error code for impossible resource allocation class */
342#define EB_RI (ERROR_VALUE | E_SOURCE_BOARD | E_CLASS_RSRC_IMPOSSIBLE)
343#define EB_ALLOCATE_ALL_STREAM_TRANSFERT_BUFFERS_IMPOSSIBLE (EB_RI | 0x01)
344#define EB_ALLOCATE_PIPE_SAMPLE_BUFFER_IMPOSSIBLE (EB_RI | 0x02)
345
346#define EB_ALLOCATE_MEM_STREAM_IMPOSSIBLE \
347 EB_ALLOCATE_ALL_STREAM_TRANSFERT_BUFFERS_IMPOSSIBLE
348#define EB_ALLOCATE_MEM_PIPE_IMPOSSIBLE \
349 EB_ALLOCATE_PIPE_SAMPLE_BUFFER_IMPOSSIBLE
350
351#define EB_ALLOCATE_DIFFERED_CMD_IMPOSSIBLE (EB_RI | 0x03)
352#define EB_TOO_MANY_DIFFERED_CMD (EB_RI | 0x04)
353#define EB_RBUFFERS_TABLE_OVERFLOW (EB_RI | 0x05)
354#define EB_ALLOCATE_EFFECTS_IMPOSSIBLE (EB_RI | 0x08)
355#define EB_ALLOCATE_EFFECT_POS_IMPOSSIBLE (EB_RI | 0x09)
356#define EB_RBUFFER_NOT_AVAILABLE (EB_RI | 0x0A)
357#define EB_ALLOCATE_CONTEXT_LIII_IMPOSSIBLE (EB_RI | 0x0B)
358#define EB_STATUS_DIALOG_IMPOSSIBLE (EB_RI | 0x1D)
359#define EB_CONTROL_CMD_IMPOSSIBLE (EB_RI | 0x1E)
360#define EB_STATUS_SEND_IMPOSSIBLE (EB_RI | 0x1F)
361#define EB_ALLOCATE_PIPE_IMPOSSIBLE (EB_RI | 0x40)
362#define EB_ALLOCATE_STREAM_IMPOSSIBLE (EB_RI | 0x80)
363#define EB_ALLOCATE_AUDIO_IMPOSSIBLE (EB_RI | 0xC0)
364
365/* Complete BOARD error code for wrong call context class */
366#define EB_WCC (ERROR_VALUE | E_SOURCE_BOARD | E_CLASS_WRONG_CONTEXT)
367#define EB_CMD_REFUSED (EB_WCC | 0x00)
368#define EB_START_STREAM_REFUSED (EB_WCC | 0xFC)
369#define EB_SPC_REFUSED (EB_WCC | 0xFD)
370#define EB_CSN_REFUSED (EB_WCC | 0xFE)
371#define EB_CSE_REFUSED (EB_WCC | 0xFF)
372
373
374
375
376#endif /* LX_DEFS_H */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-21 18:19:58 -0500